Como Ator/Atriz
Mannix
Maverick
Fergus MacKenzie
Bonanza
Walter Craigsmuir
Magnum, P.I.
Freighter Captain
Ironside
My Three Sons
El Hombre Nuclear
General Carmichael
Cheyenne
Ian Stewart
Daniel Boone
British Captain
Combat!
British Lieutenant
Have Gun, Will Travel
Burke's Law
Manager
Ben Casey
Thriller
Roscoe Burton
One Step Beyond
Steward
Rompeolas
El Gran Chaparral
Sean Hanrahan
Bronco
The Name of the Game
Graham
77 Sunset Strip
Tony Dawson
Sugarfoot
Wee Rabbie MacBrewster
Kraft Suspense Theatre
Group Capt. Windermere
Las calles de San Francisco
Man at Marina
Tarzan
Adventures in Paradise
Bates
Shirley Temple's Storybook
Sergeant Major
The Wonderful World of Disney
Ken Anakin
Ladrón sin destino
Janos Kowalski
Centennial
Booth-Clibborn
La chica de C.I.P.O.L.
Arne Carson
Por Trás das Câmeras
El fugitivo
Escritor
Thriller
Escritor
Voyage to the Bottom of the Sea
Escritor
77 Sunset Strip
Escritor
The Man from U.N.C.L.E.
Escritor
Flipper
Escritor
El hombre de la Atlántida
Escritor
Garrison's Gorillas
Escritor
The Rat Patrol
Escritor
Behind Closed Doors
Escritor
Duma y sus amigos
Novela
Kingdom of the Spiders
Guionista
Evel Knievel
Historia, Guionista
The Aquarians
Historia
Village of the Giants
Guionista
The Losers
Escritor
Assault on Agathon
Escritor
Clarence, the Cross-Eyed Lion
Guionista