Upright Citizens Brigade Theatre

Upright Citizens Brigade Theatre has affordable, comedy shows seven nights a week in NYC and LA. Watch the best improv, sketch and standup in the country. Our original comedy video productions have garnered the national spotlight. We also run the first nationally accredited improv and sketch comedy school in the country. For information on our courses, visit the Training Center.

Mark David Christenson

Mark David Christenson is one of the few men to ever embrace Sean 'Diddy' Combs.

An improviser/actor/writer originally from Sandy, Utah. He has been training/performing at UCBTLA since 2009.

He's proud to be performing with the Harold team MISTER TOWN CITY. Other UCB credits: Seinfeld: The Purge, Squeeze Academy, Spoiler Country, The Space Program, Sketch Cram Quick & Funny Musicals and UCB Cagmatch.

When not at UCB, you can catch him every Friday night co-hosting the indie improv show The Manifesto Show, talking about movies on his podcast I Will Watch Anything Once, performing with kids with the award winning children's theatre company Story Pirates and improvising with his beloved teams Penguins on the Playground, Squeeze, Styx Martin and Street Lightning around Los Angeles.

He has starred in the independent hit White on Rice and award winning Feeding Mr. Baldwin.