as Cyril Freebody

as Dr. Archibald

as Michael Hatherley

as Toby Pears

as Falck

as Control

as Reggie Hall

as Buldoon

as Harold Webb

as Wren

as Wainwright

as Nestor

as Sir Lawrence Bragg

as Mr Allen

as Dr. Faulkner

as Government Advocate

as Miles Attingham

as Christmas Humphreys

as Gerard Wilson

as Pat Holroyd (uncredited)

as Guy Liddell

as Dr. Broughton

as Finley

as Chaplain

as Mr. Calder

as Miles

as Brabantio

as Rev. Thorn

as Coroner

as Bishop/Vicar

as Philip Hartley

as Magistrate

as Graham

as Sir Peter Hastings

as Superintendent

as Reverend Croker