Sean Masterson (born New York City) is a multi-faceted improvisational actor and comedian.
Raised in Los Angeles, Sean moved to Chicago after high school and was quickly hired by The Second City where he worked on stage alongside Mike Myers, Steve Carell and Bonnie Hunt, amongst others. Sean and his family tend to split their time between Los Angeles and Canada. Upon returning to LA, Sean began working with Ryan Stiles and Drew Carey, performing live improvisational comedy as a part of "The Improv All Stars". The Improv All Stars consists of alumni from The Second City, The Groundlings, Whose Line Is It Anyway? and The Drew Carey Show. Along with touring the world, The Improv All Stars have been a recurring Superbowl weekend favorite at the MGM Grand in Las Vegas for over a decade Sean has appeared in dozens of episodic television shows and feature films. He's had the honor to work with directors such as Christopher Guest, Barry Levinson, John Landis, the late great John Schlesinger and Jim Henson.
Sean created and co-wrote the popular VH1 web show Home Purchasing Club (HPC), which ran for two seasons and featured the comedy talents of Kristen Wiig, Jeff Garlin, Diedrich Bader and David Keochner. HPC was given a "cheers" in TV Guide. In 2001, Sean appeared in a recorded Improv All Stars special for Showtime Pay-Per-View.
Sean then created, wrote and directed Republicrats for MSN (Microsoft), portraying a former Fresno TV weatherman who decides to run for President of the United States. Republicrats also featured the comedic talents of Gary Anthony Williams, Janet Varney and Beth Dover. Republicrats was singled out by The Wall Street Journal, The Hollywood Reporter and TV Week as a Top Web Show. Sean was named a top ten web producer to watch by TV Week. Sean has also teamed up with long time collaborator Ryan Stiles to write and produce a half hour comedy pilot called "Memory Lanes" for the CBC in Canada. Sean previously has recurring roles on shows such as the acclaimed HBO series Dream On and the poorly-received satirical series The 1/2 Hour News Hour (with Jonathan Mangum). Sean was also a creative consultant writer and guest-star for The Drew Carey Show.
Sean has appeared in films such as Wag the Dog, Courting Courtney (with Kathy Griffin and Ryan Stiles), Late Last Night (with Chip Esten), and Anacardium. He also appeared on Drew Carey's Green Screen Show and Drew Carey's Improv-A-Ganza.