Tom Baker

The Doctor

Elisabeth Sladen

Sarah Jane Smith

Ian Marter

Harry Sullivan

Nicholas Courtney

Brigadier Lethbridge-Stewart

John Levene

RSM Benton

Patricia Maynard

Miss Winters

Michael Kilgarriff

The Robot

Edward Burnham

Professor Kettlewell

Alec Linstead

Jellicoe

Timothy Craven

Short

Clive Barrie

Phillips

Walter Goodman

Joseph Chambers

Jon Pertwee

The Doctor