Conhecido(a) por:
Jornada nas Estrelas: O Filme
Klingon Captain 6.5
Jornada nas Estrelas III: À Procura de Spock
Ambassador Sarek 6.6
Jornada nas Estrelas IV: A Volta para Casa
Sarek 7.2
Jornada nas Estrelas VI: A Terra Desconhecida
Sarek 7.0
A Maior História de Todos os Tempos
Balthazar 6.4
O Poder e a Glória
9.0
Getting Married
Mr. Bloom 6.0
The Forgotten City of the Planet of the Apes
Urko 7.5
Outrage!
Mr. Chandler 6.6
Noon Sunday
Jason Cootes 4.2
Os Radicais
Eberhard Hoffman 7.0
Noivo Neurótico, Noiva Nervosa
Navy Officer 7.7
Life, Liberty and Pursuit on the Planet of the Apes
Urko 7.5
Treachery and Greed on the Planet of the Apes
Urko 7.5
A Marca da Forca
Prosecutor 6.9
Farewell to the Planet of the Apes
Urko 6.4
Back to the Planet of the Apes
Urko 6.0
Planeta dos Macacos
Urko 6.9
In the Heat of the Night
7.6
Jornada nas Estrelas
Romulan Commander 8.0
O Incrível Hulk
7.2
Jornada nas Estrelas: A Nova Geração
Sarek 8.4
Otherworld
Commander Perel Sightings 5.7
Os Pioneiros
Peter Ingalls 8.0
Havaí Cinco-0
Commander Hawkins 7.2
Jornada nas Estrelas: A Serie Animada
Sarek (voice) (uncredited) 6.8
Alias Smith and Jones
7.0
Mannix
6.8
Gunsmoke
Ira Stonecipher 6.7
Missão: Impossível
Aristo Skora 7.6
Another World
5.5
Felony Squad
6.5
James West
7.6
Run for Your Life
Col. Sebastian Peralta 7.1
Cimarron Strip
5.7
Controle Remoto
7.1
E As Noivas Chegaram
Aaron Stempel 6.9
Judd, for the Defense
7.7
The Defenders
Assistant District Attorney Holloman 6.3
The Secret Empire
Emperor Thorval 6.5
The Magician
Foley 6.8
Search for Tomorrow
8.0
Buck Rogers no Século 25
Ambassador Duvoe 7.0
Jericho
Philippe 7.3
Cliffhangers
Emperor Thorval 5.5