School for Secrets

Ralph Richardson

as Prof. Heatherville

Raymond Huntley

as Prof. Laxton-Jones

John Laurie

as Dr. McVitie

Ernest Jay

as Dr. Dainty

David Tomlinson

as Mr. Watlington

Finlay Currie

as Sir Duncan Wills

Norman Webb

as Dr. Wainwright

Michael Hordern

as Lt. Cmdr. Lowther

Pamela Matthews

as Mrs. Watlington

Joan Haythorne

as Mrs. Laxton-Jones

Joan Young

as Mrs. McVitie

Ann Wilton

as Mrs. Dainty

Richard Attenborough

as Jack Arnold

David Hutcheson

as Squadron Leader Sowerby

Patrick Waddington

as Group Capt. Aspinall

Cyril Smith

as Flight Sgt. Cox

James Hayter

as Warrant Officer

D. Bradley Smith

as Air Marshal Cotter

Robin Bailey

as Wives' Escort Officer

Hugh Dempster

as Sqdn. Ldr. Slatter

Kenneth Buckley

as Sqdn. Ldr. Buckley

Paul Carpenter

as Flt. Lt. Argylle

Anthony Dawson

as Flt. Lt. Norton

Robert Long

as Flying Officer Davies

Richard Mantell

as Air Vice-Marshal

Murray Matheson

as Wing Cdr. Allen

Anthony Wyckham

as Flying Officer Ogden

Peggy Evans

as Daphne Adams

Ingrid Forrest

as Penelope Birkenshaw

Geraldine Keyes

as Phyllis Hammond

Vida Hope

as WAAF Flight Sergeant

Sonia Elverson

as WAAF Teller

Robert Wyndham

as Major

Andrew Blackett

as Captain

Bill Owen

as Paratroop Sergeant

Tony Arpino

as 1st Commando

Peter March

as 2nd Commando

Bob Elson

as 3rd Commando

Roger Keyes

as 4th Commando

Trevening Hill

as 5th Commando

Edward Hodge

as 6th Commando

Joseph Almas

as Dr. Klemmerhahn

Arthur Rieck

as Lt. Hense

Ernest Urbank

as 1st Sentry

Karl Morel

as 2nd Sentry

Marjorie Rhodes

as Mrs. Arnold

Edward Lexy

as Sir Desmond Prosser

Hugh Pryse

as Sir Nicholas Hathaway

O.B. Clarence

as Old Retainer

Aubrey Mallalieu

as 1st Club Member

Desmond Roberts

as 2nd Club Member

Guy Belmore

as 3rd Club Member

Alvar Liddell

as BBC Announcer (voice)

Kenneth More

as Bomb Aimer (uncredited)

Arthur Mullard

as (uncredited)

Ian Selby

as Man at Dance (uncredited)