斯蒂夫·盖瑞·沃兹尼亚克

Steve Wozniak

饰：Himself - Co-Founder, Apple

Andrea Sella

Andrea Sella

饰：Himself - University College, London (as Professor Andrea Sella)

Barbara Maher

Barbara Maher

饰：Herself - Franz Greenbaum's Daughter

Maria Summerscale

Maria Summerscale

饰：Herself - Franz Greenbaum's Daughter

Allan Pacey

Allan Pacey

饰：Himself - University of Sheffield (as Dr Allan Pacey)

Jeffrey Weeks

Jeffrey Weeks

饰：Himself - London South Bank University (as Professor Jeffrey Wee

Simon Schaffer

Simon Schaffer

饰：Himself - University of Cambridge (as Professor Simon Schaffer)

Tony Sale

Tony Sale

饰：Himself - National Museum of Computing

Alma Whitten

Alma Whitten

饰：Herself - Google (as Dr Alma Whitten)

Matt Parker

Matt Parker

饰：Himself - Queen Mary, University of London (as Dr Matt Parker)

Martin Davis

Martin Davis

饰：Himself - Author, 'Engines of Logic' (as Professor Martin Davis)

Ian Stewart

Ian Stewart

饰：Himself - University of Warwick (as Professor Ian Stewart)

Christopher Morcom

Christopher Morcom

饰：Himself - Christopher Morcom's Nephew (as Christopher Morcom QC)

Dermot Turing

Dermot Turing

饰：Himself - Alan Turing's Nephew

Rolf Noskwith

Rolf Noskwith

饰：Himself - Codebreaker, Bletchley Park

戴维·李维特

David Leavitt

饰：Himself - Alan Turing's Biographer

Jean Valentine

Jean Valentine

饰：Herself - WRNS and Bombe Operator, Bletchley Park

Asa Briggs

Asa Briggs

饰：Himself - Codebreaker, Bletchley Park

埃德·斯托帕德

Ed Stoppard

亨利·古德曼

Henry Goodman

饰：Franz Greenbaum

保尔·麦克盖恩

Paul McGann

饰：Himself - Narrator

约瑟夫·雷芒德·麦卡锡

Joseph McCarthy

饰：(archive sound)

萨缪尔·韦斯特

Samuel West

饰：Self - Narrator