Most remembered for playing Dr. Zachary Smith on the science fiction series, Lost in Space.
He obtained his degree in Pharmacology from Fordham University in New York in 1936.
Later in life, he transitioned almost entirely to voice-over roles, and lent his talents to programs including Channel Umptee-3, The Banana Splits,Rainbow Brite, Darkwing Duck and Happily Ever After.
He was married to childhood sweetheart, Gertrude Bregman, until his death in 2002 and they had one son, Richard.
He and fellow actor, Jan Robson both lent their voices to the film, A Bug's Life.