Cast (10)

Jon Pertwee

The Doctor

Roger Delgado

The Master

Katy Manning

Jo Grant

Edwin Richfield

Captain Hart

Clive Morton

Trenchard

June Murphy

3rd Officer Jane Blythe

Donald Sumpter

Commander Ridgeway

David Griffin

Lt. Commander Mitchell

Hugh Futcher

Hickman

Royston Tickner

Robbins

Crew (4)

Malcolm Clarke

Music

Michael E. Briant

Director

Malcolm Hulke

Writer

Barry Letts

Producer