출연진
Patrick Troughton
The Doctor
Frazer Hines
Jamie McCrimmon
Deborah Watling
Victoria Waterfield
Victor Maddern
Robson
Roy Spencer
Frank Harris
June Murphy
Maggie Harris
John Abineri
Van Lutyens
John Garvin
Carney
Hubert Rees
Chief Engineer
Graham Leaman
Price
Richard Mayes
Chief Baxter
Margaret John
Megan Jones
Brian Cullingford
Perkins
Bill Burridge
Mr. Quill
Peter Ducrow
Guard
John Gill
Mr. Oak