Gregory Everett "Greg" Proops (born October 3, 1959) is a European-American businessman, entrepreneur, actor, stand-up comedian and television host. He is widely known for his work as an improvisational comedian on the UK and U.S. versions of Whose Line Is It Anyway?. He also performed on Drew Carey's Green Screen Show and played Max Madigan on the Nickelodeon sitcom True Jackson, VP.

Filmography

• 2026Robot Dracula — Greg
• 2022First Time Caller — Brainiac
• 2022Izzy Lyon: The Unspun Truth — Brian Culero
• 2020Shepard — Williams
• 2018Duck Duck Goose — Banzou (voice)
• Star Wars Resistance — Jak Sivrak (voice), Garma (voice), Stormtrooper (voice)
• LEGO Star Wars: The Freemaker Adventures — Fode (voice)
• 2015Hell and Back — Asmoday (voice)
• 2013Bob the Builder: Hammer Time — Bob / Mr. Beasley
• Uncle Grandpa — Cupid (voice)
• 2012Bob the Builder: Build It and They Will Come
• 2011Bad Actress — Barry
• 2009Dr. Dolittle: Million Dollar Mutts — Poodle (voice)
• Star Wars: The Clone Wars — Tal Merrick (voice)
• True Jackson, VP — Max Madigan
• Flight of the Conchords — Martin Clark
• 2006Bob the Builder: Built to be Wild — Bob the Builder (voice)
• 2006Bob the Builder: When Bob Became a Builder — Bob the Builder (US) / Mr. Beasley (US) (voice)
• 2006Cyxork 7 — Rob Berdash
• Ugly Betty — TV Fashion Reporter
• 2005Bob the Builder: Bob's Big Plan — Bob (US) (voice)
• Best Week Ever
• 10-8: Officers on Duty — Jewelry Store Owner
• 2003Brother Bear — Male Lover Bear (voice)
• I Love the '70s
• Stripperella — Bernard (voice)
• 2002Bagboy! — Sirol (voice)
• Rendez-View — Host
• 2000Rat Bastard — Roscoe Rodent (voice)
• Bob the Builder — Bob (voice)
• 1999Star Wars: Episode I - The Phantom Menace — Fode (voice)
• Comedy Central Presents
• Just Shoot Me! — Turtleneck Guy
• Mike Hammer, Private Eye
• Space Cadets — High Commander
• Veronica's Closet — Richard
• 3rd Rock from the Sun — Yasmine
• Dennis the Menace and Gnasher — Quentin Hitchberg (voice)
• Men Behaving Badly — Billy
• The Jamie Foxx Show — Jon Marc
• The Drew Carey Show — Greg, Derek
• 1994Filth! — Himself, Writer
• 1994Philip K Dick: A Day in the Afterlife — (voice)
• 1993The Nightmare Before Christmas — Harlequin Demon / Devil / Sax Player (voice)
• 1990Thanksgiving Day — Chauffeur
• Family Matters — Cafe Manager
• Midnight Caller — Cab Driver (as Gregory Proops)
• Friday Night Videos

Appearances as themselves (26)

• 2025TURA! — Self
• 2023No One Asked You — Self
• Inventions That Changed History — Self - Comedian
• 25 Words or Less — Self
• 2015Misery Loves Comedy — Self
• World's Funniest Fails — Self - Panelist
• 2014Greg Proops: Live at Musso & Frank — Himself
• @midnight with Chris Hardwick — Self
• Whose Line Is It Anyway? — Self, Self - Performer
• Gotham Comedy Live — Self - Host
• Trust Us with Your Life — Himself
• Drew Carey's Improv-A-Ganza — Self
• The Green Room with Paul Provenza — Self
• 2008Largo — Self
• 2007Super High Me — Self
• Mock the Week — Self
• The Late Late Show with Craig Ferguson — Self
• Drew Carey's Green Screen Show — Self
• QI — Self
• 2001Drew Carey's Improv All Stars — Self
• 1999Geri — Self
• Hollywood Squares — Self - Panelist
• Whose Line Is It Anyway? — Self, Himself
• Good News Week — Self
• Have I Got News for You — Self
• Whose Line Is It Anyway? — Self