This shows physicist Stephen Hawking's life as he deals with the ALS that renders him immobile and unable to speak without the use of a computer. Hawking's friends, family, classmates, and peers are interviewed not only about his theories but the man himself.

Stephen Hawking
as Self

Isobel Hawking
as Self - Stephen Hawking's Mother

Janet Humphrey
as Self - Stephen Hawking's Aunt

Mary Hawking
as Self - Stephen Hawking's Sister

Basil King
as Self - Childhood Friend

Derek Powney
as Self - Oxford Classmate

Norman Dix
as

Robert Berman
as Self - Stephen Hawking's Tutor

Gordon Berry
as

Roger Penrose
as