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

Dennis Sciama

John Archibald Wheeler

Brandon Carter

John R. Taylor

Kip Thorne

Don Page

Christopher Isham

Brian Whitt

Raymond Laflamme