Derek Jacobi

Alan Turing

Alun Armstrong

Mick Ross

Blake Ritson

Christopher Morcom

Prunella Scales

Sara Turing

Harold Pinter

John Smith

Julian Kerridge

Ron Miller

Richard Johnson

Dilwyn 'Dilly' Knox

Amanda Root

Patricia 'Pat' Green

William Mannering

Young Alan Turing

Herbert Wise

Director

Andrew Hodges

Book

Hugh Whitemore

Writer

Rebecca Eaton

Executive Producer

John Drury

Executive Producer

Jack Emery

Producer

Richard Langridge

Executive Producer

Andrew Rowley

Producer

Robin Vidgeon

Director of Photography

Laurence Méry-Clark

Editor

Pippa Ailion

Casting

Barbara Gosnold

Production Design

Fiona McNeill

Art Direction

Frances Tempest

Costume Design

Kate Benton

Makeup Artist

Kate Hodgson

Makeup Artist

Pam Meager

Makeup Designer

Philip Alton

Sound Editor

Maurice Hillier

Sound Recordist