Acting
- 1972BanacekLester Sawyer1 ep.
- 1969Hawaii Five-OWilly Vance4 ep.
- 1967The InvadersLt. Alvarado1 ep.
- 1966Star TrekCommodore Wesley2 ep.
- 1960The Case of the Dangerous RobinTeddy Thomas1 ep.
- 1957Tombstone TerritoryJim Parker1 ep.
Guest appearances
- 1977Hawaii Five-OAbilleno, Albert Jovanko, Eddie Rizzo, Willy Vance4 ep.
- 1974MannixLou DeMorro1 ep.
- 1972BanacekLester Sawyer1 ep.
- 1966Mission: ImpossibleCabot, Tiso Kastner2 ep.
- 1967Star TrekCommodore Wesley, Lieutenant Commander Giotto2 ep.
- 1967The InvadersLt. Alvarado1 ep.
- 1964The FugitiveBus Driver, Sergeant Endicot2 ep.
- 1965Get SmartGreen Meadows1 ep.
- 1964The Outer LimitsDr. Terrell1 ep.
- 1962The UntouchablesBrikka1 ep.
- 1962Hawaiian EyeMac1 ep.
- 1960The Case of the Dangerous RobinTeddy Thomas1 ep.
- 1960Tombstone TerritoryJim Parker1 ep.
- 1958The TexanFrank1 ep.
Also known as: John Duke · John Duke Russo · J. Duke Russo · John Russo