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Jon Pertwee
The Doctor

Nicholas Courtney
Brigadier Lethbridge-Stewart

Katy Manning
Jo Grant

Richard Franklin
Captain Yates

John Levene
Sergeant Benton

Wilfred Carter
Sir Reginald Styles

Peter Messaline
Daleks Voices (voice)

Jean McFarlane
Miss Paget

Anna Barry
Anat

Scott Fredericks
Boaz

Jimmy Winston
Shura

Tim Condren
Guerilla

Aubrey Woods
Controller

Valentine Palmer
Monia

Peter Hill
Manager

Andrew Carr
Senior Guard