Karl Gajdusek is an American screenwriter, producer, and playwright.
Karl Gajdusek was born July 30, 1968 in San Francisco, California, United States. He was the co-creator of the TV series Last Resort with Shawn Ryan. They were both also executive producers for the series. Gajdusek also wrote for the series Dead Like Me and wrote the film Trespass (2011). He co-wrote the screenplay for the 2013 Tom Cruise movie, Oblivion. and November Man, which was released in 2014.