Diretor/a
Clare Beavan
DIRETOR/A
Nic Stacey
Elenco (na ordem dos créditos)
Ed Stoppard
Alan Turing
Henry Goodman
Franz Greenbaum
Paul McGann
Self - Narrator (voice)
Asa Briggs
Self - Codebreaker, Bletchley Park
Jean Valentine
Self - WRNS and Bombe Operator, Bletchley Park
David Leavitt
Self - Alan Turing's Biographer
Rolf Noskwith
Dermot Turing
Self - Alan Turing's Nephew
Chris Morcom
Self - Christopher Morcom's Nephew
Ian Stewart
Self - University of Warwick
Martin Davis
Self - Author, 'Engines of Logic'
Matt Parker
Self - Queen Mary, University of London
Steve Wozniak
Self - Co-Founder, Apple
Alma Whitten
Self - Google
Tony Sale
Self - National Museum of Computing
Simon Schaffer
Self - University of Cambridge
Jeffrey Weeks
Self - London South Bank University
Allan Pacey
Self - University of Sheffield
Maria Summerscale
Self - Franz Greenbaum's Daughter
Barbara Maher
Andrea Sella
Self - University College, London
Joseph McCarthy
Self (as Joe McCarthy) (archiveSound) (voice)
Samuel West