Acting
Born August 2, 1920 — died November 29, 1967 · Washington, District of Columbia, USA
Star Trek
1966 · Korob
The Twilight Zone
1959 · Citizen Gregori
Batman
1966 · Von Bloheim
Bonanza
1959 · Roudin the Great Mystic
Get Smart
1965 · Demetrios
The Cincinnati Kid
1965 · Felix
The Time Tunnel
1966 · Lescaux
Hogan's Heroes
1965 · Ludwig Strasser
The Beverly Hillbillies
1962 · Nero
The Wild Wild West
1965 · Hassan
The Man from U.N.C.L.E.
1964 · Gregori Valetti
The Glass Bottom Boat
1966 · Gregor
The Invaders
1967 · Noel Markham
The Monkees
1966 · Otto
Have Gun, Will Travel
1957 · Bartender (as Ted Marcuse)
The 27th Day
1957 · Soviet Col. Gregor
Harum Scarum
1965 · Sinan
Hitler
1962 · Julius Streicher
A Tiger Walks
1964 · Josef Pietz
Jeanne Eagels
1957 · Dr. Richards (uncredited)
The Twilight Zone: A 60th Anniversary Celebration
2019 · Citizen Gregori (archive footage)
Hey, Hey, We're The Monkees
1997 · Self
The Picasso Summer
1969 · The Host (as Theo Marcuse)
The Wicked Dreams of Paula Schultz
1968 · Owl
Ironside
1967 · Bartender
The Last of the Secret Agents?
1966 · Zoltan Schubach
Mara of the Wilderness
1965 · Jarnagan
Sands of Beersheba
1964 · Nuri
For Love or Money
1963 · Artist
Operation Eichmann
1961 · Captain Felsner
The Two Little Bears
1961 · Janos
The Case of the Dangerous Robin
1960 · Paul Agoura
The Dow Hour of Great Mysteries
1960 · Brandt
The Further Adventures of Ellery Queen
1958 · Abel Bendigo
Mickey Spillane's Mike Hammer
1958 · Copper Mako
Telephone Time
1956 · John P. William
The Desperate Women
1955 · Arzt
