Billy Crystal - Billy Crystal had roles in such classic films as When Harry Met Sally, City Slickers, Analyze This, The Princess Bride, Forget Paris and Monsters Inc. Crystal also Hosted the Academy Awards on More Than One Occasion.
Joan Cusack - Joan Cusack (John's Sister) had roles in Ice Princess, High Fidelity, Arlington Road, Runaway Bride, Where the Heart Is, School of Rock, Looney Tunes: Back in Action and the Toy Story Franchise.
Robert Downey, Jr. - Robert Downey, Jr was cast as "Iron Man" in Marvel's successful Film Franchise and became part of Superhero Cinematic History.
Anthony Michael Hall - Prior to joining Saturday Night Live, Anthony Michael Hall co-starred in National Lampoon's Vacation. After SNL, Hall appeared in Sixteen Candles, The Breakfast Club and Weird Science.
Randy Quaid - Most likely, Randy Quaid is best-known for playing "Cousin Eddie" in the "National Lampoon's Vacation" Franchise. Quaid had roles in Days of Thunder, Kingpin, Caddyshack II, Bye Bye Love, Independence Day and many more.
Martin Short - Martin Short's film credits include Three Amigos, Father of the Bride - Parts 1 & 2 (starring Steve Martin), Captain Ron, A Simple Wish, Mars Attacks!, The Santa Claus 3: The Escape Claus, Clifford, Jungle 2 Jungle, Treasure Planet, The Prince of Egypt and many more.
Ben Stiller - Ben Stiller became a very talented comedic actor. Among his many film roles, Stiller voiced "Alex the Lion" in the Madagascar Franchise.
Damon Wayans - Damon Wayans found bigger and better success with In Living Color. Albeit more ethically diverse than SNL, In Living Color was also a sketch comedy series that helped to launch the careers of several of its actors.
Jim Breuer - Best Known for his "Joe Pesci" Impression on Saturday Night Live,
Jim Breuer hasn't had a whole lot of work since he left the sketch
comedy show. However, Breuer did lend his voice to several film and
television projects.
Chris Elliott - Besides starring in Get a Life, a short-lived television series, Chris Elliott appeared in Groundhog Day (starring SNL's Bill Murray), Snow Day (with SNL's Chevy Chase) and made guest appearances on many television series.
Janeane Garofalo - Janeane Garofalo starred in the short-lived Criminal Minds: Suspect Behavior (the Criminal Minds spin-off), had a recurring role in The West Wing, appeared in the seventh season of 24, co-starred in 52 episodes of The Larry Sanders Show and made a very special guest star appearance in the series finale of Mad About You.
Michael McKean - Prior to being on SNL, Michael McKean was already an established film and television actor. On T.V.'s Laverne & Shirley, McKean played "Lenny Kosnowski." Also appearing in Clue-The Movie,
Michael McKean starred alongside Eileen Brennan, Tim Curry, Madeline
Kahn, Christopher Lloyd, Martin Mull and Lesley Ann Warren. McKean has
over 200 credits to his name.
Mark McKinney - Mark McKinney appeared as "Graydon" in The Spic Girls Movie, Spice World.
While it was far from being an Oscar-worthy film, Spice World was
(technically) successful at the Box Office and was loved by many of The
Spice Girls' fans.
Jay Mohr - Jay Mohr co-starred in Picture Perfect (a film that starred Jennifer Aniston) and was the Host of Last Comic Standing, a reality competition show that was designed to find the best / most talented undiscovered Stand-Up Comic.
Colin Quinn - Weekend Update News Anchor Colin Quinn was, for the most part, always behind the Update Desk joking about the week's headlines.
Sarah Silverman - After being a regular on the sketch-comedy show, Sarah Silverman later returned to Host Saturday Night Live. Among Sarah's film credits are Overnight Delivery, Say It Isn't So, Heartbreakers, School of Rock and The Bachelor (a movie that starred Chris O'Donnell).
Casey Wilson - The same year that she left SNL, Casey Wilson could be seen in Julie & Julia, a film that starred Amy Adams (as "Julie") & Meryl Streep (as "Julia"). After SNL, Wilson has appeared in many other films and television shows.
Jenny Slate - After SNL, Jenny Slate provided Voice Talent for several TV Characters. Slate voiced "Huntress Wizard" in Adventure Time and provided the voice of "Ponyhead" in Star vs. The Forces of Evil. In Parks and Recreation, Jenny played "Mona-Lisa" for 9 Episodes.
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