| Year | Title | Role | Notes |
| 1952 | The Vision of Father Flanagan | Les | TV movie |
| A Woman for the Ages | Charles | TV movie |
| 1953 | Omnibus | Paco | "The Capitol of the World" |
| 1954 | Janet Dean, Registered Nurse | Tommy Angelo | "The Magic Horn" |
| 1955 | Big Town | | "Juvenile Gangs" |
| Omnibus | | "The Bad Men" |
| The Philco Television Playhouse | | "The Trees" |
| Frontiers of Faith | | "The Man on the 6:02" |
| 1956 | Look Up and Live | | "Nothing to Do" |
| The Alcoa Hour | Paco | "The Capitol of the World", "The Magic Horn" |
| Westinghouse Studio One | | "Dino" |
| Look Up and Live | | "Nothing to Do" |
| Lux Video Theatre | | "Tabloid" |
| Screen Directors Playhouse | | "The Dream" |
| Climax! | Miguel | "Island in the City" |
| 1957 | The Ed Sullivan Show | Himself | Episodes 10.42, 10.48 |
| Kraft Suspense Theatre | Tony Russo | "Barefoot Soldier", "Drummer Man" |
| Kraft Music Hall | Himself | Episode 10.8 |
| 1958 | The DuPont Show of the Month | Aladdin | "Cole Porter's Aladdin" |
| Pursuit | Jose Garcia | "The Garcia Story" |
| 1959 | The Ann Sothern Show | Nicky Silvero | "The Sal Mineo Story" |
| 1962 | The DuPont Show of the Week | Coke | "A Sound of Hunting" |
| 1963 | The Greatest Show on Earth | Billy Archer | "The Loser" |
| 1964 | Kraft Suspense Theatre | Ernie | "The World I Want" |
| Dr. Kildare | Carlos Mendoza | "Tomorrow is a Fickle Girl" |
| Combat! | Private Kogan | "The Hard Way Back" |
| 1965 | The Patty Duke Show | Himself | "Patty Meets a Celebrity" |
| Burke's Law | Lew Dixon | "Who Killed the Rabbit's Husband?" |
| 1966 | Combat! | Vinnick | "Nothing to Lose" |
| Combat! | Marcel Paulon | "The Brothers" |
| Mona McCluskey | | "The General Swings at Dawn" |
| Run for Your Life | Tonio | "Sequestro!: Parts 1 and 2" |
| Court Martial | Lt. Tony Bianchi | "The House Where He Lived" |
| The Dangerous Days of Kiowa Jones | Bobby Jack Wilkes | TV movie |
| 1967 | Bob Hope Presents the Chrysler Theatre | Doctoroff | "A Song Called Revenge" |
| Stranger on the Run | George Blaylock | TV movie |
| 1968 | Hawaii Five-O | Bobby George | "Tiger By The Tail" |
| 1969 | The Name of the Game | Sheldon | "A Hard Case Of The Blues" |
| 1970 | Mission Impossible | Mel Bracken | Flip Side |
| The Challengers | Angel de Angelo | TV movie |
| The Name of the Game | Wade Hillary | "So Long, Baby, and Amen" |
| 1971 | My Three Sons | Jim Bell | "The Liberty Bell" |
| The Immortal | Tsinnajinni | "Sanctuary" |
| Dan August | Mort Downes | "The Worst Crime" |
| In Search of America | Nick | TV movie |
| How to Steal an Airplane | Luis Ortega | TV movie |
| 1972 | The Family Rico | Nick Rico | TV movie |
| 1973 | Griff | President Gamal Zaki | "Marked for Murder" |
| Harry O | Walter Scheerer | "Such Dust as Dreams Are Made On" |