Mikhail Gorbachev

Secretary of Defense Reid Baker

Stan Deen

John

Executive Producer

Narrator (3 episodes)

Captain Crow (voice)

Dr. Emil Nicholas

Self (1 episode)

Hari Seldon (30 episodes)

George Rattery (5 episodes)

Mr. Weatherbee (voice) (1 episode)

The Vet

Asteroid (voice) (4 episodes)

Absalom Breakspear (8 episodes)

John Comyn

Valery Legasov (5 episodes)

Ill Man

Self (2 episodes)

Captain Francis Crozier (10 episodes)

Dr. Farber

Frank Heslop

King George VI (6 episodes)

Fuller

Bigfoot ​(voice) (1 episode)

Anderson Dawes (6 episodes)

Narrator (voice)

Sanders

Carrigan Burke

Lord Portley-Rind (voice)

Professor Coupland

Severus

Hodge Starkweather

Urbani

Ulysses S. Grant

Professor James Moriarty

Dr. Stringer

Docteur Kent Webber

Lane Pryce (35 episodes)

Director (1 episode)

Ridley (voice)

Captain Mike

David Robert Jones (9 episodes)

Bernard

(4 episodes)

Robert Morten (1 episode)

Axel Bellmann

Ruth's Father

Alex Proud

Goatee Smoker

Simon Mann

John Willie

Captain Anderson (3 episodes)

Basher's Engineer

Dr. Ashford

Al Alvarez

Yehud

Father Walker (2 episodes)

Henry VIII

Russel

Michael Foulicker

Mac McGrath

False Peter

Anthony

Jones

Raymond

John Lennon

Alan Furnace

John Kerr

Fuzzy

W. Firmin Carter

Vlad

Jim

Older Will Robinson

William

Lee

Ray

Jacob Reese

Owen

Andy Warhol

Benmont Tench

Seth Baines (1 episode)

Jimmy Rose

Edgar

Jimmy Rose

Head Thug Pug

London Boy

Danny the Doorman

British Lieutenant

Paddy Donnelly

Joey Patrick

Geoff