Gordon Jackson

as Self (archive footage)

as Jessop Brown

as Self (archive footage)

as Arthur Winslow

as Professor Gardner Cairey

as Harry

as Self

as Supt. Armstrong

as Jessop Brown

as Voice of the Recluse

as Bruce

as Prof. Bramston

as Lockie McGibbon

as Himself (Uncredited)

as Sir Anthony Phelps

as Self

as Tom Harker

as Inspector Alec MacDonald

as Self (uncredited)

as Noel Strachan

as Sir William Belgrave

as Fielding

as Doctor Johnson

as Self

as George Cowley

as Dr. Marston

as Howard Lawrence

as Inspector Cabell

as Mr. Dunner

as Brian Hardison

as Narrator

as Major Browne

as Pops

as Commander Cavendish

as Narrator

as Charles Stewart

as Angus Hudson

as Soapy Simon

as Tom - Friend of Harry's

as Lander

as Jim

as The Narrator (voice)

as Horatio

as Dr. MacPhail

as Mr. Ransome

as Gordon Lowther

as Father Joseph

as Mr. Mallory

as Banquo

as Brian Stern

as Captain Engel

as British Sergeant Questioning Chapman (uncredited)

as Captain Leeds

as James MacAfee

as Gayton

as MacDougal

as Carswell

as Sgt. McKinnon

as Police Sergeant

as Father Joseph

as Vahlin

as MacDonald 'Intelligence'

as Seaman Edward Birkett

as Dr. Thomas Murray

as Farmer

as Philip

as Capt. Jimmy Cairns, M.C. (Battalion Adjutant)

as Capt. Jock Bateson

as Bill Donovan

as Sergeant Malcolm

as Sgt. MacKenzie

as PC Alec

as Sergeant

as Roger Fenton

as Leading Seaman Johnson

as George Campbell

as Don Wescot

as 'Chalky' White

as Hamish

as Jimmy Norris

as Scottie

as Dougal McLean (uncredited)

as John Merritt

as Narrator

as Carnoustie Bligh

as Major Browne

as Percy

as Harry

as Percy

as District Officer

as BBC TV producer

as Leonard

as A Young Actor /Ishmael

as Ted Burns

as Peter J. Florian

as Ralph

as Hector

as British Soldier

as Detective Inspector Campbell

as Hiker

as Dr. Anson

as Paul Tracy

as Mac

as George Campbell

as Jock Melville

as David Shields

as Tom Kennedy

as Scotty Duncan

as Lt. David Lennox

as David Sutton

as Steward (uncredited)

as Messboy John Jamieson - M.V. San Demetrio

as Fred Blake

as Young 'un

as Alastair 'Jock' MacFarlan, 19th Fusillers

as (uncredited)