Stephen Hawking

Self

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

Robert Berman

Self - Stephen Hawking's Tutor

Gordon Berry

Roger Penrose

Errol Morris

Director

David Hickman

Producer

John Bailey

Director of Photography

Stephen Hawking

Author

Kurt Munkasci

Music Producer

Randy Thom

Sound Effects

Lisa Schecter

Associate Editor

Julian Rodd

Associate Editor

Charlie Silver

Consulting Editor

William A. Anderson

Additional Editing