Kevin Kilner is an American actor who is best known for his roles in the television series Earth: Final Conflict, Almost Perfect, and Smart House. Kilner was born in Baltimore, Maryland, in 1958. He attended Johns Hopkins University, where he played lacrosse. After graduating, he moved to New York City to pursue a career in acting. He made his television debut in 1989, in an episode of The Cosby Show.

Kilner's breakthrough role came in 1994, when he was cast as William Boone in the science fiction series Earth: Final Conflict. The series ran for five seasons, and Kilner's performance as Boone was praised by critics. He was nominated for a Saturn Award for Best Actor on Television in 1997.