Gary Bond

as Cpl. Halliday

George Sewell

as Staff Sgt. Graham

Bernard Archard

as Sir Adrian Campbell

John Keightley

as Capt. Danbury-Lewis

Peter Williams

as Lt. Col. Dobie

John Nettleton

as Maj. Gen. McAllister

Peter Mason

as R. S. M.

Anita Prynne

as Secretary

Arthur Griffiths

as Orderly Sergeant

John Tate

as Mr. Halliday

Brian Harrison

as M. P. Corporal

Richard Steele

as Bgdr. Joy

Helen Ford

as Waitress