as Que

as Sir John Reith

as 2nd Club Member

as Nigel

as Charles

as Prefect

as Commissionaire

as Doctor

as Det. Insp. Roberts

as Minister Palmer

as Richard Arnold

as Sir Charles Gray

as Chief Supt. Griffin

as Mr. Justice Fairburn

as Alan Hartley

as Sir John Forster

as Wallace

as Bill Trethowan

as Officia

as Thompson

as Reinhardt Klermer

as Professor Brett

as Sir Alfred Page

as Signals officer

as Borden

as Sir Alfred Page, B.S.c., Knight Bachelor

as Colonel Dewhurst

as Club Receptionist

as Police Sergeant

as Wilson, Prison Officer

as Sgt. Grey

as Sergeant at Police Station (uncredited)

as Professor Brett

as Officia

as Sgt. Vickers

as Assistant Commissioner

as Public Health Inspector

as Johnnie

as Sergeant (Bridge Hotel)

as Fingerprint Officer

as Governor Rockhampton Prison

as Burns (uncredited)

as Sergeant Barnes

as Man in Bookshop

as Freddie

as (uncredited)

as Hobart's Brother

as Supt. Macrea

as First Officer

as Ship's Captain

as Maj. Cartwright

as Lawyer Fred Knox

as Dougal

as Inspector Gregg

as Dr. Ingrams

as Lieutenant

as Col Ryman

as Mr. Harper

as Sir George Woodley

as Lt. Howard

as Cmdr. William Harbison

as Andrews

as Kenneth Peters

as Station Warrant Officer

as Scotland Yard Man

as Dr. Wallace

as Buster Cox

as Roger

as Hammond Stubbs

as Police Sergeant (uncredited)

as Maj. Maggoury

as Bland

as Inspector Loomis (uncredited)

as Major Henderson

as Cpl. McCunn

as Eddie Steele

as Mack (uncredited)

as Burns

as Tommy Dooley

as Ted Warren