| Year |
Title |
Role |
Notes |
| 1951 |
Lux Video Theatre |
German Man Number Two |
Season 2 Episode 8: "Cafe Ami" |
| 1954 |
The Philco Television Playhouse |
|
Season 6 Episode 13: "The Broken Fist" |
| 1954 |
Armstrong Circle Theatre |
Juan |
Season 4 Episode 38: "The Use of Dignity" |
| 1954 |
Goodyear Television Playhouse |
|
Season 4 Episode 4: "Thunder of Silence" |
| 1957 |
Studio One |
Al |
Season 9 Episode 31: "Babe in the Woods" |
| 1958 |
The Investigator |
|
Season 1 Episode 3: "Episode #1.3" |
| 1959–1960 |
Camera Three |
Guillermo |
2 episodes |
| 1960 |
Buick-Electra Playhouse |
Albert |
Season 1 Episode 3: "The Snows of Kilimanjaro" |
| 1961 |
Frontier Circus |
Rodales |
Season 1 Episode 6: "Karina" |
| 1962 |
The Defenders |
Mr. Sazeran |
Season 1 Episode 21: "The Locked Room" |
| 1962 |
The United States Steel Hour |
Ramirez |
Season 9 Episode 15: "Two Black Kings" |
| 1962 |
The Untouchables |
Max Zenner |
Season 4 Episode 5: "The Pea" |
| 1962–1963 |
G.E. True |
Vik / Josef Gabchik |
3 episodes |
| 1962–1966 |
Combat! |
Carl Dorfmann / Gen. Von Strelitz / Dorfmann / Col. Bruener |
4 episodes |
| 1963 |
The Gallant Men |
General Kile |
Season 1 Episode 20: "Operation Secret" |
| 1963 |
General Hospital |
Gen. Gastineau |
|
| 1963 |
The Lloyd Bridges Show |
Paul Kolar |
Season 1 Episode 30: "Freedom Is for Those Who Want It" |
| 1963 |
77 Sunset Strip |
Rudolph Gerhardt / Toller Vengrin |
2 episodes |
| 1963–1965 |
Bob Hope Presents the Chrysler Theatre |
Lieutenant Volkovoi / Avatin |
3 episodes |
| 1964 |
Channing |
Professer Leon Fyfe |
Season 1 Episode 25: "Christmas Day Is Breaking Wan" |
| 1964 |
Selena |
Designer |
TV Short |
| 1964–1968 |
The Man from U.N.C.L.E. |
Major Vicek / Dr. Kurt Erikson |
3 episodes |
| 1965 |
The Farmer's Daughter |
Oscar Hummingbird |
Season 2 Episode 18: "The Oscar Hummingbird Story" |
| 1965 |
Memorandum for a Spy |
Avatin |
TV Movie |
| 1965 |
Kraft Suspense Theatre |
Sif Barani |
Season 2 Episode 26: "The Safe House" |
| 1965 |
I Spy |
Ramon |
Season 1 Episode 6: "The Loser" |
| 1965 |
12 O'Clock High |
Col. Hans Dieter / Arn Borg |
2 episodes |
| 1965 |
Burke's Law |
James Gunnar Ketterback |
Season 3 Episode 11: "Whatever Happened to Adriana and Why Won't She Stay Dead?" |
| 1966 |
The Trials of O'Brien |
Lopert |
Season 1 Episode 16: "The 10-Foot, 6-Inch Pole" |
| 1966 |
The F.B.I. |
Nagry |
Season 1 Episode 18: "The Sacrifice" |
| 1966 |
Seaway |
Robert Ballantyre |
Season 1 Episode 20: "Dead Reckoning" |
| 1966 |
Jericho |
Major Bruschke |
Season 1 Episode 2: "A Jug of Wine, a Loaf of Bread, and Pow!" |
| 1966–1968 |
The Rat Patrol |
Colonel Von Helbing / Major von Brugge |
2 episodes |
| 1966–1970 |
Mission: Impossible |
Joseph Baresh / Eric Stavak / General Ernesto Neyron / Eric Bergman / Albert Zembra |
5 episodes |
| 1967 |
Run for Your Life |
Emile Marnet |
Season 2 Episode 30: "The Word Would Be Goodbye" |
| 1968 |
N.Y.P.D. |
Morado |
Season 1 Episode 17: "The Patriots" |
| 1968 |
The Flying Nun |
Pedro Alvarez |
Season 1 Episode 24: "Cyrano de Bertrille" |
| 1968 |
Call to Danger |
Andre Kellman |
TV Movie |
| 1968 |
Premiere |
Andre Kellman / Linde |
2 episodes |
| 1968 |
The Name of the Game |
Humberto Benitez |
Season 1 Episode 15: "The Revolutionary" |
| 1969–1980 |
Hawaii Five-O |
Charley Bombay / Josef Sarpa / Edmonds / Adrian Cassell |
4 episodes |
| 1970 |
The Silent Force |
Mr. Allyn |
Season 1 Episode 13: "The Octopus" |
| 1971 |
The High Chaparral |
Eduardo Nervo |
Season 4 Episode 14: "The New Lion of Sonora" |
| 1971 |
A World Apart |
Dr. Neil Stevens |
2 episodes |
| 1973 |
Young Dr. Kildare |
Frank Gela |
Episode: "The Don" |
| 1973 |
Search |
Henri Danzig |
Season 1 Episode 12: "Let Us Prey" |
| 1973 |
Carola |
Col. Kroll |
TV Movie |
| 1973 |
Griff |
Omar |
Season 1 Episode 5: "Marked for Murder" |
| 1974 |
Police Story |
Reggie |
Season 1 Episode 14: "Cop in the Middle" |
| 1974 |
Hawkins |
Teddy Osterman |
Season 1 Episode 6: "Murder on the Thirteenth Floor" |
| 1974 |
The Missiles of October |
Ambassador Anatoly Dobrynin |
TV Movie |
| 1974 |
The Rockford Files |
Kurt |
Season 1 Episode 13: "Profit and Loss, Part 2: Loss" |
| 1975 |
Medical Center |
Count Scarpi |
Season 6 Episode 18: "Crown of Thorns" |
| 1975 |
Movin' On |
Ernest |
Season 1 Episode 18: "Ammo" |
| 1975 |
The Odd Couple |
Boris Kalnikov |
Season 5 Episode 19: "The Roy Clark Show" |
| 1975 |
Search for the Gods |
Tarkanian |
TV Movie |
| 1975 |
Kolchak: The Night Stalker |
Dr. James Verhyden |
Season 1 Episode 20: "The Sentry" |
| 1975 |
One of Our Own |
Dr. Janos Varga |
TV Movie |
| 1975 |
Starsky and Hutch |
Tom Lockly |
Season 1 Episode 15: "Shootout" |
| 1975–1976 |
Doctors' Hospital |
Janos Varga |
9 episodes (Recurring role) |
| 1976 |
Louis Armstrong - Chicago Style |
The Man |
TV Movie |
| 1976 |
Joe Forrester |
|
Season 1 Episode 18: "The Invaders" |
| 1976 |
Switch |
Gassman |
Season 2 Episode 6: "Quicker Than the Eye" |
| 1977 |
Charlie's Angels |
Rabitch |
Season 1 Episode 15: "Angels on a String" |
| 1977 |
Kojak |
Shelley Briscoe |
Season 4 Episode 21: "Monkey on a String" |
| 1977 |
McNamara's Band |
General Zimhoff |
TV Movie |
| 1978 |
The Gypsy Warriors |
SS Colonel Schlager |
TV Movie |
| 1978 |
Columbo |
Vincent Pauley |
Season 7 Episode 5: "The Conspirators" |
| 1978 |
Wonder Woman |
Crichton |
Season 3 Episode 1: "My Teenage Idol Is Missing" |
| 1979 |
Trapper John, M.D. |
The Sheik |
Season 1 Episode 10: "The Surrogate" |
| 1979 |
The Girl Who Saved the World |
Anthony Korf |
TV Movie |
| 1979 |
Stop Susan Williams |
Anthony Korf |
4 episodes |
| 1980 |
Galactica 1980 |
General Yodel |
2 episodes |
| 1981 |
Side Show |
Scholl |
TV Movie |
| 1981–1982 |
Quincy M.E. |
Steigler / Klavick |
2 episodes |
| 1983 |
Ryan's Four |
|
Season 1 Episode 0: "Ryan's Four" |
| 1983 |
Manimal |
Russian Agent |
Season 1 Episode 3: "Night of the Scorpion" |
| 1984 |
Automan |
Frank Ladrone |
Season 1 Episode 9: "Murder MTV" |
| 1985 |
Knight Rider |
Mr. C |
Season 3 Episode 17: "The Nineteenth Hole" |
| 1985 |
Airwolf |
Shrankov |
Season 3 Episode 5: "Crossover" |
| 1986 |
Scarecrow and Mrs. King |
Serge Krutiov |
Season 3 Episode 22: "All the World's a Stage" |
| 1986 |
The Wizard |
|
Season 1 Episode 1: "El Dorado" |