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Karl Julian Theobald (born 5 August 1969)^[1] is an English actor and comedian. He has played 'Landlord' in Plebs and Martin Dear in Channel 4 sitcom Green Wing.

Theobald was born in Great Yarmouth, to Wendy Theobald.^[2] He grew up in Lowestoft, for seventeen years, where he studied at The Denes High School^[3] and went to dance school at an early age. He graduated from the Drama Centre London in 1998, to work with Theatre de Complicite.

Theobald is the one-time comedy partner of Russell Brand; they formed a double act during the 1990s called Theobald and Brand on Ice. This has been mentioned by Brand on his BBC Radio show and in his autobiography, My Booky Wook. As well as appearing in Green Wing, Theobald has written comedy for the television programmes The Sketch Show and Smack the Pony. He also appeared in the radio sitcom The Exterminating Angels.^[4]

In 2008, Theobald joined the cast of ITV science fiction series Primeval as Oliver Leek. He appeared in the 2010 film Get Him to the Greek, alongside Brand, playing his assistant. In 2014, he starred in the independent British feature film Downhill, with Ned Dennehy, Jeremy Swift and Richard Lumsden, which is a comedy about four men attempting Alfred Wainwright's Coast to Coast Walk. The film is directed by James Rouse and the screenplay was written by Torben Betts.

• Karl Theobald at IMDb
• whatsonstage.com, 20 questions for Karl Theobald
• Karl Theobald at British Comedy Guide