Leah Stanko (m. 2001)
Mangum was born in Charleston, South Carolina and grew up in Alabama. After high school, he moved to Orlando and graduated from the University of Central Florida with a degree in psychology. While in Orlando, Mangum started his comedy career at the SAK Comedy Lab alongside Wayne Brady, whom he would later collaborate with in Drew Carey's Improv-A-Ganza, The Wayne Brady Show and Let's Make a Deal. He moved to Los Angeles in 1995 to pursue a career in comedy.
Mangum guest-starred in several episodes as the owner of a web-based start-up company on The Drew Carey Show. He has toured with Drew Carey's Improv All-Stars, establishing himself as an improv comedian and was also a regular cast member on Drew Carey's Green Screen Show. At the beginning of 2011, he and Brady made guest appearances in the British comedy series Fast and Loose, an improv show similar to Whose Line Is It Anyway?. He was a regular performer in Drew Carey's Improv-a-ganza and performed in improvisational singing games, along with co-stars like Jeff Davis and Chip Esten. He is also one of the rotating guest performers on the revived CW Whose Line is it Anyway? which started in the summer of 2013.
Mangum made guest appearances on ER, Reno 911!, and Just Shoot Me!. In addition to his work in television and on stage, Mangum has also appeared in over 100 national American commercials. He has written for the Disney Channel and The N, as well as having twice written for director Ben Rock on the short films The Meeting and Conversations, which stars Curtis Armstrong.
|1993||Clarissa Explains it All||Blind date||Episode: "Blind Date"|
|1994||Fortune Hunter||Howard||Episode: "Red Alert"|
|1994||SeaQuest DSV||Covington||Episode: "The Sincerest Form of Flattery"|
|1996||Roseanne||Flip||Episode: "Hoi Polloi Meets Hoiti Toiti "|
|1996||Goode Behavior||Wyatt||Episode: "Goode Grades"|
|1996||Married... with Children||Hal||Episode: "God Rest Ye Merry Bundymen"|
|1998||Clueless||Garrick||Episode: "Labor of Love"|
|1998||USA High||Marvin||Episode: "Raphael's Proposal"|
|1999||Just Shoot Me!||Brian Toliver||Episode: "A Spy in the House of Me"|
|2000||ER||Ryan Bradford||Episode: "Homecoming"|
|2000–01||Strip Mall||Josh MacIntosh||22 episodes|
|2002–04||The Drew Carey Show||Scott||18 episodes|
|2003||Reno 911!||Yokel||Episode: "Dangle's Moving Day"|
|2006||Come On Over||Dr. Jonathan Silliness||Episode: "Brain Freeze"|
|2007||The 1/2 Hour News Hour||various||5 episodes|
|2007||Pushing Daisies||Bernard Slaybeck||Episode: "Dummy"|
|2008||NCIS||Special Agent Daniel Keating||Episode: "Last Man Standing"|
|Let's Make A Deal||Announcer|
|2010||The Sarah Silverman Program||Matt Markus||Episode: "A Slip Slope"|
|2011||Drew Carey's Improv-A-Ganza||Himself||20 Episodes|
|2012||Trust Us With Your Life||Himself||6 Episodes|
|Whose Line Is It Anyway?||Himself||Recurring|
|2018||GLOW||Priest/Judge Eric||1 Episode|
|2019 |Chicago Med |Delmer Brendl |Episode: "With a Brave Heart" |-
|2007||The Bucket List||Richard||Comedy-drama film directed by Rob Reiner.|
|2008||iCarly: iGo to Japan||Henri P'Twa||Three-part episode directed by Steve Hoefer turned into a film.|
|2009||Imagine That||Franklin's associate||Comedy film directed by Karey Kirkpatrick.|
|2018||I’ll Be Next Door for Christmas||Bradley||Christmas comedy film written and directed by David Jay Willis|
Mangum is married to Leah Stanko, a casting director; the couple have two sons.
- "Bio". Jonathan Mangum. Retrieved April 14, 2016.
- "About this show: Trust us with your life". The Futon Critic. Retrieved July 7, 2012.
- "The Bucket List". Turner Classic Movies. Retrieved April 14, 2016.
- "iGo to Japan". Turner Classic Movies. Retrieved April 14, 2016.
- "Imagine That". Turner Classic Movies. Retrieved April 14, 2016.
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