Jason Beghe (; born March 12, 1960) is an American film and television actor.
Beghe starred in the 1988 George A. Romero film Monkey Shines: An Experiment In Fear, playing a quadriplegic in a performance that was positively received. He appeared as a police officer in the film Thelma & Louise and played Demi Moore's love interest in G.I. Jane. Beghe starred opposite Moira Kelly in the television series To Have & to Hold, and has had recurring roles on Picket Fences, Melrose Place, Chicago Hope, American Dreams and Cane. Since 2014, he has starred in the TV series Chicago P.D.
Beghe is a former Scientologist. He began taking Scientology courses in 1994 and later appeared in a Church of Scientology advertising campaign and in promotional videos. Beghe left Scientology in 2007 and has publicly criticized Scientology since his departure.