Morgan Henderson (1 episode)

King Charles II

Doc McGhee

Guy Dexter

Rainer

CIA Director (4 episodes)

Self (1 episode)

Prince Charles (20 episodes)

Dudley Wrangel Clarke (8 episodes)

Guy Dexter

Uncle Matthew (3 episodes)

Gordon Masters (6 episodes)

Narrator

Dr. Chris Coxley (49 episodes)

Jean Valjean (6 episodes)

Executive Producer (6 episodes)

Narrator (voice)

Self - Guest (1 episode)

Willy

Richard Croft

Paul

Gary

Wolf (voice)

Julian

Ted

Wolf (2 episodes)

Rudder (voice)

Ernest Shackleton

Rudder (voice)

Ernest Hemingway

Walt Camby

Mr. Brittain

Noah Solloway (53 episodes)

Jonathan

Self (Voice) (1 episode)

Inventor

Richard Burton

Self (2 episodes)

Sab Than

Self - Nominee (1 episode)

Lead Elf (voice)

Ambrose

Fred West (2 episodes)

Robert Mallory

Hector Madden (12 episodes)

Fiske (voice)

General Titus Flavius Virilus

Himself - Presenter (1 episode)

Self - Host (1 episode)

Caxton

Howard Florey

Self (1 episode)

Billy / Jigsaw

Oliver Cromwell (4 episodes)

Det. James 'Jimmy' McNulty

Theron

Inspector Popil

Luther

Ash Correll

Bill Dunbar

Fred Casely

Young Man (segment "About Time 2")

Jimmy McNulty (60 episodes)

Director (1 episode)

Kirk Cuddy

Jasper

Fred

Lysander

Palace Guard

Photographer

Rob Naylor

Alexei

Donald MacDonald

Paulo Picasso

Spike

The Earl of Richmond