| Studio One in Hollywood
1984
O'Brien | 09/21/1953 |
| US Steel Hour
Survival
Dallas | 11/07/1956 |
| Bonanza
A Rose for Lotta
Ben Cartwright | 09/12/1959 |
| Bonanza
The Julia Bulette Story
Ben Cartwright | 10/17/1959 |
| Bonanza
The Magnificent Adah
Ben Cartwright | 11/14/1959 |
| Cheyenne
Gold, Glory and Custer
Col. Bell | 01/11/1960 |
| Bonanza
Dark Star
Ben Cartwright | 04/23/1960 |
 | Bonanza
Showdown
Ben Cartwright | 09/10/1960 |
 | Bonanza
The Hopefuls
Ben Cartwright | 10/08/1960 |
 | Bonanza
The Abduction
Ben Cartwright | 10/29/1960 |
| Bonanza
Breed of Violence
Ben Cartwright | 11/05/1960 |
| Bonanza
The Savage
Ben Cartwright | 12/03/1960 |
| Bonanza
The Blood Line
Ben Cartwright | 12/31/1960 |
 | Bonanza
The Courtship
Ben Cartwright | 01/07/1961 |
| Bonanza
Bank Run
Ben Cartwright | 01/28/1961 |
| Bonanza
Vengeance
Ben Cartwright | 02/11/1961 |
| Bonanza
Elizabeth, My Love
Ben Cartwright | 05/27/1961 |
| Bonanza
Sam Hill
Ben Cartwright | 06/03/1961 |
| Bonanza
The Lonely House
Ben Cartwright | 10/15/1961 |
| Bonanza
Broken Ballad
Ben Cartwright | 10/29/1961 |
| Bonanza
The Tall Stranger | 01/07/1962 |
| Bonanza
The Lady from Baltimore
Ben Cartwright | 01/14/1962 |
| Bonanza
Gift of Water
Ben Cartwright | 02/11/1962 |
| Bonanza
The Good Samaritan
Ben Cartwright | 12/23/1962 |
| Bonanza
Half a Rogue | 01/27/1963 |
| Bonanza
The Actress
Ben Cartwright | 02/24/1963 |
| Bonanza
Calamity Over the Comstock
Ben Cartwright | 11/03/1963 |
| Bonanza
Journey Remembered
Ben Cartwright | 11/10/1963 |
| Bonanza
The Quality of Mercy
Ben Cartwright | 11/17/1963 |
| Bonanza
The Waiting Game
Ben Cartwright | 12/08/1963 |
| Bonanza
The Legacy
Ben Cartwright | 12/15/1963 |
| Bonanza
Hoss and the Leprechauns
Ben Cartwright | 12/22/1963 |
| Bonanza
The Prime of Life
Ben Cartwright | 12/29/1963 |
| Bonanza
The Lila Conrad Story
Ben Cartwright | 01/05/1964 |
| Bonanza
Ponderosa Matador
Ben Cartwright | 01/12/1964 |
| Bonanza
My Son, My Son
Ben Cartwright | 01/19/1964 |
| Bonanza
Walter and the Outlaws
Ben Cartwright | 05/24/1964 |
| Bonanza
The Hostage
Ben Cartwright | 09/27/1964 |
| Bonanza
The Wild One
Ben Cartwright | 10/04/1964 |
| Bonanza
Thanks for Everything, Friend
Ben Cartwright | 10/11/1964 |
| Bonanza
The Scapegoat
Ben Cartwright | 10/25/1964 |
| Bonanza
Square Deal Sam
Ben Cartwright | 11/08/1964 |
| Bonanza
Old Sheba
Ben Cartwright | 11/22/1964 |
| Bonanza
The Flannel-Mouth Gun
Ben Cartwright (credit only) | 01/31/1965 |
| Bonanza
The Trap
Ben Cartwright | 03/28/1965 |
| Bonanza
A Good Night's Rest
Ben Cartwright | 04/11/1965 |
| Bonanza
The Return
Ben Cartwright | 05/02/1965 |
| Bonanza
Found Child | 10/24/1965 |
| Bonanza
The Strange One | 11/14/1965 |
| Bonanza
Ride the Wind: Part 1
Ben Cartwright | 01/16/1966 |
| Bonanza
Ride the Wind: Part 2 | 01/23/1966 |
 | Bonanza
A Dollar's Worth of Trouble
Ben Cartwright | 05/15/1966 |
| Bonanza
Amigo
Ben Cartwright | 02/12/1967 |
| Bonanza
Six Black Horses
Ben Cartwright | 11/26/1967 |
| Rowan & Martin's Laugh-In
Episode #1.1
Himself | 01/22/1968 |
| Rowan & Martin's Laugh-In
Tim Conway, Cher, Lorne Greene, Sheldon Leonard, Tiny Tim, Flip Wilson
Himself | 02/05/1968 |
| Bonanza
Child
Ben Cartwright | 09/22/1968 |
| Bonanza
Emily
Ben Cartwright | 03/23/1969 |
| Rowan & Martin's Laugh-In
Episode #3.14
Himself | 12/15/1969 |
| Bonanza
It's a Small World
Ben Cartwright | 01/04/1970 |
| ITV Playhouse
A Man for Loving
James Beal | 01/12/1970 |
| Bonanza
The Horse Traders
Ben Cartwright | 04/05/1970 |
| Bonanza
Fallen Woman
Ben Cartwright | 09/26/1971 |
| Bonanza
Second Sight
Ben Cartwright | 01/09/1972 |
| Bonanza
One Ace Too Many
Ben Cartwright | 04/02/1972 |
| Bonanza
Forever
Ben Cartwright | 09/12/1972 |
| Bonanza
Heritage of Anger
Ben Cartwright | 09/19/1972 |
| Bonanza
The Initiation
Ben Cartwright | 09/26/1972 |
| Bonanza
Riot
Ben Cartwright | 10/03/1972 |
| Bonanza
New Man
Ben Cartwright | 10/17/1972 |
| Bonanza
Ambush at Rio Lobo
Ben Cartwright | 10/24/1972 |
| Bonanza
The Twenty-Sixth Grave
Ben Cartwright | 10/31/1972 |
| Bonanza
Stallion
Ben Cartwright | 11/14/1972 |
| Bonanza
The Hidden Enemy
Ben Cartwright | 11/28/1972 |
| Bonanza
The Sound of Sadness
Ben Cartwright | 12/05/1972 |
| Bonanza
The Bucket Dog
Ben Cartwright | 12/19/1972 |
| Bonanza
First Love
Ben Cartwright | 12/26/1972 |
| Bonanza
The Marriage of Theodora Duffy
Ben Cartwright | 01/09/1973 |
| Bonanza
The Hunter
Ben Cartwright | 01/16/1973 |
 | Battlestar Galactica
Saga of a Star World
Adama | 09/17/1978 |
| Battlestar Galactica
Lost Planet of the Gods
Adama | 09/24/1978 |
 | Battlestar Galactica
Lost Planet of the Gods
Adama | 10/01/1978 |
| Battlestar Galactica
The Lost Warrior
Commander Adama | 10/08/1978 |
 | Battlestar Galactica
The Long Patrol
Commander Adama | 10/15/1978 |
| Battlestar Galactica
Greetings from Earth
Commander Adama | 02/25/1979 |
| Battlestar Galactica
Baltar's Escape
Commander Adama | 03/11/1979 |
| Battlestar Galactica
Experiment in Terra
Commander Adama | 03/18/1979 |
| Battlestar Galactica
Take the Celestra
Commander Adama | 04/01/1979 |
| Battlestar Galactica
The Hand of God
Commander Adama | 04/29/1979 |
| Galactica 1980
Galactica Discovers Earth: Part 1
Commander Adama | 01/27/1980 |
| Galactica 1980
The Super Scouts: Part 1
Commander Adama | 03/16/1980 |
| Galactica 1980
The Super Scouts: Part 2 | 03/23/1980 |
 | Galactica 1980
Spaceball
Cmdr. Adama | 03/30/1980 |
| Quantum Leap
Disco Inferno - April 1, 1976
Himself (archive footage) | 09/27/1989 |
"