Patrick Troughton as The Doctor

Deborah Watling as Victoria

Frazer Hines as Jamie McCrimmon

Shirley Cooklin as Kaftan

Roy Stewart as Toberman

George Pastell as Eric Klieg

Aubrey Richards as Professor Parry

Cyril Shaps as Viner

Bernard Holley as Peter Haydon

George Roubicek as Captain Hopper

Clive Merrison as Jim Callum

Alan Johns as Ted Rogers

Ray Grover as Crewman

Peter Hawkins as Cybermen Voices

Michael Kilgarriff as Cyber Controller

Hans De Vries as Cyberman

Tony Harwood as Cyberman

John Hogan as Cyberman

Richard Kerley as Cyberman

Ronald Lee as Cyberman

Kenneth Seeger as Cyberman

Reg Whitehead as Cyberman

Charles Pemberton as Cyberman