Rupert Holly

Lord Goldsmith (4 episodes)

Geoffrey Milton

Theo (1 episode)

Paul Stratton (8 episodes)

Dad

Jenkins

Felix Staton (1 episode)

Theodore Roosevelt (3 episodes)

Terrence Witham (1 episode)

Tom

Theodore Roosevelt (2 episodes)

Mike

John Pape (3 episodes)

Tony

Bank Manager

Wilko (1 episode)

(59 episodes)

Peter (12 episodes)

Mark (12 episodes)

Bernard Delfont

Flying Scotsman (voice)

Elton John (1 episode)

Elton John

Charles (1 episode)

John Ammonds

Ian Wood

Coulson

Ralph Michaels (1 episode)

The Flying Scotsman (voice)

Tom (6 episodes)

Cosmo (3 episodes)

(1 episode)

Sir Walter Raleigh

Miles Mollison (3 episodes)

(1 episode)

Third Geographer

(1 episode)

David Wilkes (14 episodes)

Anthony Powner Smith (1 episode)

Prop Maartie (6 episodes)

(2 episodes)

Simon

(1 episode)

D.S. Brick (2 episodes)

Horace Bindler (1 episode)

(1 episode)

Various (2 episodes)

Nick Edwards (6 episodes)

Macauley (1 episode)

Dr. Foggerty (10 episodes)

Dr. Professor Tigle (1 episode)

Julian

Terry Jones

(1 episode)

(1 episode)

Nelson (voice) (17 episodes)

Golden Egg Waiter

Peter (1 episode)

Niggs (1 episode)

Talk Show Host (1 episode)

(1 episode)

(1 episode)

(1 episode)

(1 episode)

Narrator (voice) (1 episode)

Narrator (Voice) (1 episode)

Journalist (1 episode)

Dr. Hall

TV Reporter (2 episodes)

(2 episodes)

Tyrone Powers

(8 episodes)