Stephen Hawking
Self
Pemeran
Isobel Hawking
Self - Stephen Hawking's Mother
Janet Humphrey
Self - Stephen Hawking's Aunt
Mary Hawking
Self - Stephen Hawking's Sister
Basil King
Self - Childhood Friend
Derek Powney
Self - Oxford Classmate
Norman Dix
Acting
Robert Berman
Self - Stephen Hawking's Tutor
Gordon Berry
Acting
Roger Penrose
Acting
Dennis Sciama
Acting
John Archibald Wheeler
Acting
Brandon Carter
Acting
John R. Taylor
Acting
Kip Thorne
Acting
Don Page
Acting
Christopher Isham
Acting
Brian Whitt
Acting
