Stephen Hawking
Sir Fred Hoyle
Roger Penrose
Jane Wilde
Dennis Sciama
Isobel Hawking
Arno Penzias
Robert Wilson
Martha Guthrie
Frank Hawking
Dr. John Holloway
Nurse Susan McClean
Reporter
George Ellis
Lidia Sciama
Robert Silkin
Jayant Narlikar
Barmaid
Train Passenger
Hamlet
Guildenstern
Rosencrantz
Cab Driver
Frink
Edgar
Chris
Hugh
Cyclist