X: The Unknown

Dean Jagger

Dr. Adam Royston

Leo McKern

Inspector McGill

William Lucas

Peter Elliott

Edward Chapman

John Elliott

John Harvey

Maj. Cartwright

Michael Ripper

Sgt. Harry Grimsdyke

Anthony Newley

LCpl. 'Spider' Webb

Ian MacNaughton

Pvt. Haggis

Peter Hammond

Lt. Bannerman

Kenneth Cope

Pvt. Lansing

?

Michael Brooke

Willie Harding

Frazer Hines

Ian Osborn

Neil Wilson

Russell

?

Stella Kimball

Willie's Nurse

Jameson Clark

Jack Harding