
Filmography

The Simpsons
1989 · Colonel Klink (voice)

Law & Order
1990 · William Unger

The Mike Douglas Show
1961 · Self - Co-Host, Self

Late Night with Conan O'Brien
1993 · Self

Perry Mason
1957 · Stefan Riker, Ulric Zenas

The Love Boat
1977 · Mr. Perkins

Matinee Theater
1955 · Actor

Batman
1966 · Colonel Klink

Have Gun, Will Travel
1957 · Actor

Hogan's Heroes
1965 · Wilhelm Klink

Maverick
1957 · Alex Jennings

Climax!
1954 · Actor

Studio One
1948 · Dorfmann

Tony Awards
1956 · Self - Nominee

Lost in Space
1965 · Bolix

The Philco Television Playhouse
1948 · Leopold

Rawhide
1959 · Actor

Voyage to the Bottom of the Sea
1964 · Dr. Gamma (uncredited)
Bob Hope Presents the Chrysler Theatre
1963 · Colonel Wertha

One Step Beyond
1959 · Herr Bautmann

Gunsmoke
1955 · Clifton Bunker

Night Gallery
1970 · Actor

Thriller
1960 · Mr. Clark

77 Sunset Strip
1958 · Actor

Matt Houston
1982 · Felix Randolph

Rowan & Martin's Laugh-In
1968 · Self / Colonel Klink (uncredited)

Alfred Hitchcock Presents
1955 · Professor Klopka / Captain Kriza, Mr. Ranks

The Doris Day Show
1968 · Werner Klemperer

Vega$
1978 · Actor

M Squad
1957 · Heinrich Ronn

Adventures in Paradise
1959 · Kuberli

Studio 57
1954 · Dubrov

The Man from U.N.C.L.E.
1964 · Laslo Kurasov

Playhouse 90
1956 · Emil Hahn

Navy Log
1955 · Actor

McMillan & Wife
1971 · Dr. Ernest Bleeker, Van Doren

Checkmate
1960 · Franz Leder

The Third Man
1959 · Actor

The Thin Man
1957 · Actor

The Alaskans
1959 · Actor

Men Into Space
1959 · Actor

Behind Closed Doors
1958 · Actor

The Case of the Dangerous Robin
1960 · Jan Hoveen

Steve Canyon
1958 · Linz

General Electric True
1962 · Actor

General Electric Theater
1953 · Mr. Muller

Wire Service
1956 · Krylov

The Dakotas
1963 · Actor

China Smith
1952 · Actor, Malfi

Peter Loves Mary
1960 · Blake Barker

The Islanders
1960 · Michel Serati

The Troubleshooters
1959 · Stehlmann

Judgment at Nuremberg
1961 · Emil Hahn

Tabitha
1977 · Actor, Henry Hastings

The Wrong Man
1956 · Dr. Bannay (uncredited)

Ship of Fools
1965 · Lt. Huebner
Mr. Sunshine
1986 · Actor

Houseboat
1958 · Harold Messner

The Rhinemann Exchange
1977 · Franz Altmuller

Escape from East Berlin
1962 · Walter Brunner

5 Steps to Danger
1956 · Dr. Frederick Simmons

The Last Laugh
2016 · Self (archive footage) (uncredited)

The Return of the Beverly Hillbillies
1981 · C.D. Medford

Death of a Scoundrel
1956 · Herbert Bauman (Clementi's lawyer)

The High Cost of Loving
1958 · Joseph Jessup

Kiss Them for Me
1957 · Lt. Walter Wallace

Wake Me When the War Is Over
1969 · Erich Mueller

Youngblood Hawke
1964 · Mr. Leffer

The Goddess
1958 · Joe Wilsey

Flight to Hong Kong
1956 · Bendesh

Steve Martin: Comedy Is Not Pretty
1980 · Plato

The Wicked Dreams of Paula Schultz
1968 · Klaus

Istanbul
1957 · Paul Renkov

Assignment: Munich
1972 · Insp. Hoffman

Operation Eichmann
1961 · Adolf Eichmann

The Cabinet of Dr. Ramirez
1991 · Fat Man Looking for a Tax Break

Cabaret
1988 · Herr Schultz

Dark Intruder
1965 · Prof. Malaki

Queen Esther
1992 · Haman (voice)

Bing Crosby Color Christmas Show
1965 · Self/Col. Klink

Star Spangled Salesman
1968 · Chief's Boss

Judgment at Nuremberg
1959 · Emil Hahn

Place of Belonging
1972 · Narrator