Joan Castleman
Joe Castleman
David Castleman
Nathanial Bone
Young Joe
Young Joan
Elaine Mozell
Walter Bark
Linnea
Hal Bowman
Arvid Engdahl
Mrs. Lindelöf (as Anna Azcarate)
James Finch
Mr. Lagerfelt (as Fredrik Gildea)
Constance Finch
Susannah Castleman
King Gustav
Dr. Ekeberg
Dusty Berkowitz
Carol Castleman
Nobel Hostess
Smithie Girl Lorraine
Flight Attendant Monica (as Twinnie-Lee Moore)
Lovejoy
White
Hotel Manager
Hotel Doctor
Hotel Nurse
Gustav
Young David (voice)
Photographer (uncredited)
Nobel Guest (uncredited)
Noble Prize Committee (uncredited)
Student (uncredited)
Noble Guest (uncredited)
Airplane Passenger (uncredited)
Concorde Passenger (uncredited)
Teacher (archive footage) (uncredited)