Theo Marcuse

The Cincinnati Kid

1965 · as Felix

Ironside

1967 · as Bartender

For Love or Money

1963 · as Artist

The 27th Day

1957 · as Soviet Col. Gregor

The Glass Bottom Boat

1966 · as Gregor

Harum Scarum

1965 · as Sinan

Jeanne Eagels

1957 · as Dr. Richards (uncredited)

The Picasso Summer

1969 · as The Host (as Theo Marcuse)

A Tiger Walks

1964 · as Josef Pietz

Sands of Beersheba

1964 · as Nuri

Hitler

1962 · as Julius Streicher

The Twilight Zone: A 60th Anniversary Celebration

2019 · as Citizen Gregori (archive footage)

Operation Eichmann

1961 · as Captain Felsner

The Wicked Dreams of Paula Schultz

1968 · as Owl

Mara of the Wilderness

1965 · as Jarnagan

The Last of the Secret Agents?

1966 · as Zoltan Schubach

Hey, Hey, We're The Monkees

1997 · as Self

The Two Little Bears

1961 · as Janos