埃迪·雷德梅恩
Stephen Hawking
菲丽希缇·琼斯
Jane Hawking
查理·考克斯
Jonathan Hellyer Jones
艾米丽·沃森
Beryl Wilde
西蒙·迈克伯尼
Frank Hawking
大卫·休里斯
Dennis Sciama
玛克辛·皮克
Elaine Mason
哈里·劳埃德
Brian
汤姆·普赖尔
Robert Hawking (Age 17)
Sophie Perry
Lucy Hawking (Age 14)
Finlay Wright-Stephens
Timothy Hawking (Age 8)
艾丽丝·奥尔尤因
Diana King
Thomas Morrison
Carter
Michael Marcus
Ellis
Gruffudd Glyn
Rees
Paul Longley
Barman - Rowing Club
Guy Oliver-Watts
George Wilde
Lucy Chappell
Mary Hawking
夏綠蒂·霍普
Philippa Hawking
阿比盖尔·克鲁滕登
Isobel Hawking
Nicholas Gerard-Martin
Physicist #1
Brett Brown
Physicist #2
Anthony Skrimshire
Physicist #3
克里斯蒂安·麦凯
Roger Penrose
亞當·戈德利
Senior Doctor - Cambridge Hospital
Nicola Sloane
Bedder
Lottie Hamilton
Robert Hawking (New Born)
恩佐·西伦蒂
Kip Thorne
Rufus Taylor
Robert Hawking (Age 2)
Delilah Sexton
Lucy Hawking (New Born)
艾琳·戴维斯
Eileen Bond
西蒙·钱德勒
John Taylor
Georg Nikoloff
Khalatnikov
Oliver Payne
Robert Hawking (Age 8)
拉菲埃拉·查普曼
Lucy Hawking (Age 6)
Sam Houston
Timothy Hawking (Baby)
Victoria Emslie
Sarah (Geneva Student)
Frank Lebœuf
Swiss Doctor
Will Barton
Technician
Lucy Challenger
Female Fan
Nicola Victoria Buck
Cockcroft Guest #2
Stuart Benson
Cockcroft Guest #3
Andrew Bridgmont
Cockcroft Guest #5
Jamie Edwards
Cockcroft Guest #4
Jumaane Brown
Cockcroft Guest #1
Becky Bush
Undergraduate (uncredited)
Jon Wennington
Journalist (uncredited)
Jon Wennington
Journalist (uncredited)
