Benedict Cumberbatch
Stephen Hawking
Michael Brandon
Arno Penzias
Tom Hodgkins
Robert Wilson
Peter Firth
Sir Fred Hoyle
Phoebe Nicholls
Isobel Hawking
Matthew Marsh
Dr. John Holloway
Anastasia Hille
Nurse Susan McClean
Bertie Carvel
George Ellis
John Sessions
Dennis Sciama
Carolina Giammetta
Lidia Sciama
Sebastian Armesto
Robert Silkin
Rohan Siva
Jayant Narlikar
Linda Spurrier
Train Passenger
Che Cartwright
Guildenstern