Patrick Troughton

The Doctor

Frazer Hines

Jamie McCrimmon

Deborah Watling

Victoria Waterfield

Nicholas Courtney

Colonel Lethbridg...

Jack Watling

Professor Travers

TI

Tina Packer

Anne Travers

JO

Jon Rollason

Harold Chorley

RA

Ralph Watson

Captain Knight

JA

Jack Woolgar

Staff Sgt. Arnold

RI

Richardson Morgan

Corporal Blake

RO

Rod Beacham

Corporal Lane

Stephen Whittaker

Craftsman Weams