Platt has made numerous comedic and dramatic appearances on television, most recently as Rev. Weber in
What About Joan? Along with his role as Hoppy on
Sanford And Son, Platt has also had guest roles as Dr. Phil Newman on
The Bob Newhart Show (in a total of 6 episodes), Max on
Alice, Major Ted Spector on
M*A*S*H, and Judge Jonathan Stockfish on
Evening Shade. He portrayed 5 different characters on
Barney Miller. As a series regular he played Captain Doug March on the CBS-TV sitcom
Flying High (1978–79). His many movie roles include
T.R. Baskin,
Nixon,
The Cat from Outer Space,
Three the Hard Way, and
Norma Jean & Marilyn. ==Directorial credits==