Throne was a popular guest star on many television series of the 1960s and 1970s, including Mr. Novak (four episodes), The Defenders, Naked City, The Wild Wild West, Ben Casey, The Untouchables, GE True, Combat!, The Fugitive, The Man from U.N.C.L.E. ("The Four-Steps Affair" from 1965), Mannix (as Inspector Frank Kyler in the 1967 episode, "Run Sheep Run"), The High Chaparral, Hogan's Heroes, Babylon 5 ( "The Coming of Shadows" ) and Lost in Space. He also played the character Sandifer in the 1964 Perry Mason episode The Case of the Simple Simon.