Cast
Jon Pertwee
The Doctor
Katy Manning
Jo Grant
Nicholas Courtney
Brigadier Lethbridge-Stewart
John Levene
Sergeant Benton
Richard Franklin
Captain Mike Yates
Stewart Bevan
Cliff Jones
Jerome Willis
Stevens
Tony Adams
Elgin
Ben Howard
Hinks
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Mostyn Evans
Dai Evans
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Talfryn Thomas
Dave
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Roy Evans
Bert
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Mitzi McKenzie
Nancy
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Ray Handy
Milkman
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John Scott Martin
Hughes
