Film

No.	Year	Title	Role	Vote Average
1	1955	The Desperate Women	Arzt	0
2	1957	The 27th Day	Soviet Col. Gregor	63
3	1957	Jeanne Eagels	Dr. Richards (uncredited)	63
4	1961	Operation Eichmann	Captain Felsner	60
5	1961	The Two Little Bears	Janos	60
6	1962	Hitler	Julius Streicher	57
7	1963	For Love or Money	Artist	53
8	1964	A Tiger Walks	Josef Pietz	57
9	1964	Sands of Beersheba	Nuri	0
10	1965	The Cincinnati Kid	Felix	70
11	1965	Mara of the Wilderness	Jarnagan	20
12	1965	Harum Scarum	Sinan	48
13	1966	The Last of the Secret Agents?	Zoltan Schubach	33
14	1966	The Glass Bottom Boat	Gregor	62
15	1967	Ironside	Bartender	50
16	1968	The Wicked Dreams of Paula Schultz	Owl	34
17	1969	The Picasso Summer	The Host (as Theo Marcuse)	60
18	1997	Hey, Hey, We're The Monkees	Self	88
19	2019	The Twilight Zone: A 60th Anniversary Celebration	Citizen Gregori (archive footage)	100

Television

No.	Year	Title	Role	Vote Average
1	1957	Have Gun, Will Travel	Bartender (as Ted Marcuse)	74
2	1958	The Further Adventures of Ellery Queen	Abel Bendigo	0
3	1959	The Twilight Zone	Citizen Gregori	84
4	1959	The Twilight Zone	Farraday	84
5	1960	The Case of the Dangerous Robin	Paul Agoura	0
6	1960	The Case of the Dangerous Robin	Baw	0
7	1962	The Beverly Hillbillies	Nero	69
8	1965	Hogan's Heroes	Ludwig Strasser	75
9	1965	Hogan's Heroes	Pierre	75
10	1965	Hogan's Heroes	General Freidrich von Heiner	75
11	1965	The Wild Wild West	Hassan	75
12	1966	Batman	Von Bloheim	73
13	1966	Star Trek	Korob	80
14	1966	The Time Tunnel	Lescaux	76
15	1966	The Monkees	Otto	65
16	1967	The Invaders	Noel Markham	68