출연진

• 

  Stephen Hawking

  Stephen Hawking

  Self

• I

  Isobel Hawking

  Isobel Hawking

  Self - Stephen Hawking's Mother

• J

  Janet Humphrey

  Janet Humphrey

  Self - Stephen Hawking's Aunt

• M

  Mary Hawking

  Mary Hawking

  Self - Stephen Hawking's Sister

• B

  Basil King

  Basil King

  Self - Childhood Friend