Stephen Weaver Collins (born October 1, 1947) is an American actor, writer, director, and musician, best known for playing Eric Camden on the long-running television series 7th Heaven. He is also known for the roles of Captain Will Decker in Star Trek: The Motion Picture, and as Dr. Dayton King on the short-lived ABC TV series No Ordinary Family. He also appeared in a supporting role in the TV series Revolution as Dr. Gene Porter, father of Elizabeth Mitchell's character Rachel Matheson.