Known for
FILMOGRAPHYData from TMDB
The Simpsons
1989 · Colonel Klink (voice)
Judgment at Nuremberg
1961 · Emil Hahn
Law & Order
1990 · William Unger
The Wrong Man
1956 · Dr. Bannay (uncredited)
Batman
1966 · Colonel Klink
Alfred Hitchcock Presents
1955 · Professor Klopka / Captain Kriza
Houseboat
1958 · Harold Messner
The Love Boat
1977 · Mr. Perkins
Hogan's Heroes
1965 · Wilhelm Klink
Late Night with Conan O'Brien
1993 · Self
Voyage to the Bottom of the Sea
1964 · Dr. Gamma (uncredited)
Perry Mason
1957 · Stefan Riker
Lost in Space
1965 · Bolix
Gunsmoke
1955 · Clifton Bunker
Night Gallery
1970 · TV
Ship of Fools
1965 · Lt. Huebner
The Man from U.N.C.L.E.
1964 · Laslo Kurasov