Jon Pertwee

The Doctor

Katy Manning

Jo Grant

Nicholas Courtney

Brigadier Lethbridge-Stewart

Roger Delgado

The Master

Nicholas Pennell

Winton

John Ringham

Ashe

David Webb

Leeson

Sheila Grant

Jane Leeson

Roy Skelton

Norton

Helen Worth

Mary Ashe

John Line

Martin

Mitzi McKenzie

Mrs. Martin

John Scott Martin

Robot

Pat Gorman

Primitive / Voice / Long / Colonist

Graham Leaman

Time Lord

Michael E. Briant