Jack Stewart

as M.I.5 Radio Operator (uncredited)

as MacLachlan

as McKay

as Godfrey Mason

as Reporter

as Tyson

as Thorne

as Charlie Benson

as Landlord

as Dr. MacKenzie

as Dusty Fraser

as MacLelland

as Bridge Engineer

as Gibson

as Stoker Barrett (uncredited)

as Pte. Wentworth

as Inspector Matheson

as Police Escort

as Inspector Bennett

as Gregson

as Thomas - the Gatekeeper (uncredited)

as Skipper

as Dominie

as Willie Duncan

as Mr. Campbell

as Mike Cutler

as Matt

as Seaman (uncredited)

as Leading Seaman Kelly

as Peter Reilly

as Ed Barrow (uncredited)