Nathan Chapple

Nathan Chapple

饰：Stephen Hawking (Young Adult)

Martin King

Martin King

饰：Stephen Hawking (Adult_

Joe Lovell

Joe Lovell

饰：Stephen Hawking (Adult)

Tina Lovell

Tina Lovell

饰：Jane Hawking

Finlay Macrae

Finlay Macrae

饰：Stephen Hawking (Teenager)

Tanya O'Regan

Tanya O'Regan

饰：Jane Hawking

Arthur Pelling

Arthur Pelling

饰：Stephen Hawking (child)

史蒂芬·霍金

Stephen Hawking

饰：Himself

Bernard J. Carr

饰：Himself

金·凯瑞

Jim Carrey

饰：Himself

Judith Croasdell

饰：Herself

本尼迪克特·康伯巴奇

Benedict Cumberbatch

饰：Himself - Interviewee

Pete Denman

饰：Himself

Judy Fella

饰：Herself

Kitty Ferguson

饰：Herself

Peter Guzzardi

饰：Himself

Sarah Hardenberg

饰：Herself

巴兹·奥尔德林

Buzz Aldrin

饰：Himself

Gordon Berry

Gordon Berry

饰：Himself

理查德·布兰森

Richard Branson

饰：Himself

简·霍金

Jane Hawking

饰：Herself

罗杰·彭罗斯

Roger Penrose

饰：自己

基普·索恩

Kip Thorne

饰：自己

丽莎·迪伦

Lisa Dillon

饰：自己

Martin John King

饰：Stephen Hawking (adult),(as Martin King)

玛丽·霍金

Mary Hawking

饰：Self