乔恩·容森

Jon Ronson

饰：Himself

比尔·奈伊

Bill Nighy

饰：Self - Narrator,

Allen Carr

饰：Self

大卫·霍克尼

David Hockney

饰：Self

Richard Peto

饰：Self,(as Prof Sir Richard Peto)

Jeffrey Wigand

饰：Self,(as Dr Jeffrey Wigand)