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Bradley Whitford - Now Since starring on the series, Whitford went on to do a number of movies, including Little Manhattan, Get Out, Kate and Leopold and Saving Mr. Banks. He also had starring roles on Studio 60 On the Sunset Strip, Transparent and the current NBC hit series Perfect Harmony. He was most recently seen in the 2020 film adaptation of The Call of the Wild and will portray Stephen Sondheim in the film adaptation of Tick, Tick Boom!. Michael Kovac - Getty Images
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Martin Sheen - Then As President Josiah Jed Bartlet, he had to battle an undisclosed medical condition while simultaneously trying to keep the country together through some dangerous situations, most importantly through 9/11. Before he played the Commander-in-Chief, Sheen was already a bonafide star, appearing in movies such as Apocalypse Now and Wall Street. NBC - Getty Images
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Martin Sheen - Now Since the series ended, Sheen has kept himself busy in many different projects, most recently starring on the Netflix series Grace and Frankie and portraying Ben Parker in The Amazing Spider-Man. Kevin Winter - Getty Images
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Allison Janney - Then As press secretary turned Chief of Staff during the Bartlet administration, Claudia C.J. Cregg became a fan-favorite with her no-nonsense attitude while still holding poise in a world dominated by men. Before the series, Janney had starred in a number of movies, including Celebrity, American Beauty and 10 Things I Hate About You. NBC - Getty Images
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Allison Janney - Now After the series ended in 2006, Janney quickly became a household name, with roles in many films like The Girl On the Train and I, Tonya (for which she won a Best Supporting Actress Oscar). She is currently starring as Bonnie Plunkett on the CBS hit Mom. Joe Scarnici - Getty Images
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Dul Hill - Then As the presidents personal aide, Charlie Young started out as a naive man unaware about American politics to eventually getting accepted to Georgetown University Law School early and gaining a father figure in Jed Bartlet. Before he starred on the series, Hill had quite a few credits to his name, starring in various shows and a role in the film Shes All That. NBC - Getty Images
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Dul Hill - Now Since the show ended, Hill has starred in a number of projects, most famously portraying Gus in the hit television series Psych. He most recently had a recurring role in the final seasons of Suits. Michael Tran - Getty Images
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Richard Schiff - Then As the communications director, Toby Ziegler constantly found himself having to create speeches for various international relations in no time flat. With his sarcastic disposition, fans loved how loyal Ziegler was to his friends and family. Before the show, Schiff had starred in a bunch of movies, including Malcolm X, Major League II and the 1998 adaptation of Doctor Dolittle. NBC - Getty Images
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Richard Schiff - Now After the show wrapped, Schiff has starred on a number of television shows and films, and hes currently starring as Dr. Aaron Glassman on the ABC drama The Good Doctor. Kailey Schwerman - Getty Images
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Rob Lowe - Then As the deputy communications director, Sam Seaborn was the guy who always found himself in some sort of trouble, almost embarrassing the administration at any given moment. He eventually leaves the series in the fourth season to run for Congress in California, before becoming the Deputy Chief of Staff in the last episode of the series. Before the show, Lowe had been a teen heartthrob as part of the "Brat Pack" in the 1980s, starring in films such as The Outsiders, Waynes World and St. Elmos Fire. Getty Images - Getty Images
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Rob Lowe - Now After leaving the show, Lowe has continued to act in movies and television, having starring roles in the hit shows Brothers and Sisters and Parks and Recreation. He is currently starring in 9-1-1: Lone Star and was recently in the Netflix film Holiday in the Wild. Stefanie Keenan - Getty Images
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Janel Moloney - Then As Josh Lymans personal assistant-turned-lover, Donnatella Donna Moss essentially ran his life, at one point referring to herself as the deputy deputy chief of staff. She eventually becomes Chief of Staff to the First Lady by the end of the series, becoming the most often featured assistant staff member throughout her time on the show. Before the series, Moloney had some TV credits, with small roles in Murder, She Wrote, ER and Sports Night. NBC - Getty Images
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Janel Maloney - Now Since the show ended, Maloney has primarily stayed in the realm of television, with appearances on 30 Rock, Brotherhood and The Good Wife amongst others. She most recently had a main role on The Leftovers. Joe Corrigan - Getty Images
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Stockard Channing - Then As the presidents wife, Dr. Abigail Abbey Bartlet was often the voice of reason for her husbands ideas and worries. She loses her medical license for a year for hiding the fact that she was supplying medicine to her husband to help his secret medical condition. Before the series, Channing was already beloved by fans for her portrayal as Rizzo in the 1978 musical film Grease. She also won an Oscar nomination for her turn as Ouisa Kittredge in Six Degrees of Separation. NBC - Getty Images
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Stockard Channing - Now After the show ended, Channing has continued acting, most recently starring in a number of theater roles, such as Apologia and Its Only a Play. She also had recurring role on The Good Wife and The Mysteries of Laura. Bravo - Getty Images
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Joshua Malina - Then As Sam Seaborns replacement for deputy communications director, Will Bailey suffered through a good amount of hazing before being reluctantly accepted into the Bartlet Administration. He eventually becomes the Chief of Staff to the Vice President in later seasons. Before joining the series in the fourth season, Malina had a few roles in various television shows and films, including a role in A Few Good Men with future co-star Bradley Whitford. NBC - Getty Images
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Joshua Malina - Now Since the series, Malina has continued acting in recurring roles on various television shows, including The Big Bang Theory, In Plain Sight and most recently on former co-star Bradley Whitfords new series Perfect Harmony. NBC - Getty Images
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Moira Kelly - Then As the media consultant during the first season, Mandy Hampton was the ex-girlfriend of Josh Lyman, with whom she often clashed with during her short stint on the show. Before the series, Kelly had starred in the series Twin Peaks and had roles in The Cutting Edge and The Lion King among others. NBC - Getty Images
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Moira Kelly - Now After her time on the show, Kelly became beloved by fans of the early 2000s for her portrayal as Karen Roe on the hit series One Tree Hill. Along with a number of smaller roles in various shows and films, she was most recently in the Fox series The Resident. FOX - Getty Images
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Mary-Louise Parker - Now After leaving the show, Parker went on to star as Nancy Botwin in the hit television series Weeds, while still making appearances on other popular shows. She has also become well-known on Broadway, most recently starring in plays like Heisenberg, The Sound Inside and How I Learned to Drive. John Lamparski - Getty Images
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Lily Tomlin - Then As the replacement for the presidents personal secretary, Deborah Fiderer was secretly instrumental in bringing Charlie Young to the President. Although the president is initially reluctant with her, they eventually develop a relationship due to her opinionated and independent personality. Before coming onto the show, Lily Tomlin had already been loved by audiences, having been a stand-up comedienne and starring in films like Nashville, 9 to 5 and The Late Show. NBC - Getty Images
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Lily Tomlin - Now Although Tomlin has starred in a number of smaller films since the show ended, she has primarily stuck to television, most recently starring as Frankie Bergstein with former co-star Martin Sheen in the Netflix show Grace and Frankie. Randy Holmes - Getty Images
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Emily Procter - Then As the Associate White House Counsel, Ainsley Hayes initially had issues with the communications team for the fact that she was a Republican working for a Democratic administration. Personally asked by President Bartlet to join the staff, she left the show at the end of the third season, eventually returning at the end of the series with hopes to become the White House Counsel. Before the series, Procter starred in various films and television series, including Jerry Maguire and Just Shoot Me!. NBC - Getty Images
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Emily Procter - Now Since then, Procter has continued acting, having a main role in CSI: Miami. She also had a recurring role in the fourth season of the series White Collar. Donato Sardella - Getty Images
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Matthew Perry - Then As Ainsley Hayes successor, Joe Quincy became known in the fourth season for discovering the Vice Presidents extra-marital affair, eventually leading to his resignation. He also was instrumental to appointing a woman to become the new Chief Justice of the Supreme Court. Before portraying Quincy, Perry was best known for portraying Chandler Bing on the popular sitcom Friends. He also had roles in a few films, including The Whole Nine Yards and Fools Rush In. See the original post on Youtube Kristin Moran@Youtube