Cast 47

Alan Turing

Joan Clarke

Hugh Alexander

Detective Robert Nock

John Cairncross

Peter Hilton

Commander Denniston

Stewart Menzies

Jack Good

Sergeant Staehl

Superintendent Smith

Keith Furman

Charles Richards

Young Alan Turing

Christopher Morcom

Helen

Sherborne Student 1

Sherborne Student 2
Sherborne Student 3

Joan's Father

Joan's Mother

Teacher
Headmaster

MI6 Agent

Military Policeman
Margaret

Electrical Assistant
Woman in Crowd (uncredited)

Ministry Man (uncredited)

Wren (uncredited)
Dancer (uncredited)

Assistant Wren (uncredited)
Crossword Man in Pub (uncredited)

MI6 Agent (uncredited)
Joan Clarke's Friend (uncredited)

Bletchley Park Agent (uncredited)
Passerby (uncredited)
Military Policeman 3 (uncredited)

Civilian (uncredited)

Evacuee (uncredited)

Bletchley Park Operative (uncredited)
MI6 Agent (uncredited)

Police Sergeant White (uncredited)

Crossword Man (uncredited)
First Aid Nurse (uncredited)
German Pilot (uncredited)
German Spy Plane Pilot (uncredited)
Crew 59

Directing

Writing
Camera
Camera
Camera
Camera
Camera
Directing
Camera

Camera
Directing
Writing
Camera
Directing

Production
Art

Art

Production

Editing
Production
Art

Production

Camera

Costume & Make-Up
Production

Production

Sound
Visual Effects
Art
Sound
Directing
Sound
Art
Costume & Make-Up
Costume & Make-Up

Sound
Costume & Make-Up

Sound
Production
Visual Effects
Camera

Camera
Sound
Sound
Crew
Sound
Editing
Production
Visual Effects
Art

Crew
Sound
Art
Sound
Art
Art

Visual Effects

Crew

Art