Actor Robert Young, a 50-year veteran of the entertainment industry best known as the star of television's "Father Knows Best" and "Marcus Welby, M.D.," attempted suicide at his Westlake Village home, authorities said Sunday.

A tow truck driver who was called to Young's home early Sunday to start the actor's car saw a hose leading from the exhaust pipe to the passenger compartment and refused to start the car, Sgt. D.R. Jezak said.Young, 83, admitted himself to Charter Hospital in Westlake Village, Jezak said.