Kevin Kilner is an American actor 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 to begin his acting career. His television debut came in 1989 in an episode of The Cosby Show.

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

In 1995 Kilner starred in the sitcom Almost Perfect alongside Nancy Travis. The show was canceled after two seasons, but Kilner's performance was again praised by critics.

In 1999 Kilner starred in the family film Smart House. The film was a success with critics and at the box office, and his role as Nick Starkey was well received.