Jon Ferguson "Jay" Mohr is an American actor, stand-up comedian, writer, and radio host. He is known for playing film producer Peter Dragon in the TV comedy series Action in 1999, Professor Rick Payne in the TV series Ghost Whisperer from 2006 to 2008 and the title role in the CBS sitcom Gary Unmarried from 2008 to 2010. He was a featured cast member on the NBC sketch comedy show Saturday Night Live from 1993 to 1995.

Action is an American dark comedy series about a Hollywood producer named Peter Dragon, who is trying to recover from his last box-office failure. It aired on Fox during the 1999–2000 season. The series was critically praised for its irreverent and sometimes hostile look at Hollywood culture. Thirteen episodes were produced. The show was created by Chris Thompson and the show runner was Don Reo. Future Saturday Night Live cast member Will Forte was the story editor for twelve episodes, and wrote three.