Barbara Hutton
Graham Mattison (parts 3-6)
Pauline de la Rochelle
Count von Haugwitz-Reventlow (parts 2-4)
Prince Alexis Mdivani (parts 1-3)
Jimmy Donahue (parts 1-3,5,6)
Roussie (parts 1-3)
Marjorie Post Hutton (parts 1-2)
Baron Gottfried von Cramm (parts 3-6)
Franklyn Hutton (parts 1-4)
James Douglas III (part 6)
Jean Kennerly
Prince Troubetzkoy (part 5)
Lance Reventlow - Adult (parts 5-6)
Jill St John (parts 5-6)
Ticki Tocquet
David Herbert (parts 5-6)
Elsa Maxwell (part 1)
Dorothy Difrasso (part 4)
Peggy
F.W. Woolworth (part 1)
Cary Grant (parts 4-6)
Morley Kennerly (parts 1,4-6) (as Michael J. Shannon)
Irene Hutton (parts 1,2,4)
Barbara - age 12 (part 1)
Edna Hutton (part 1)
Barbara - age 5 (part 1)
James P. Donahue (part 1)
Nurse (part 1)
Jessie Donahue (part 1)
Aunt Grace (part 1)
Jimmy Donahue - age 11 (part 1)
Louise Van Alan (parts 1-2)
Doris Duke (part 1)
Phil Plant (part 1)
Jack Pauling (part 2)
Inspector Clair (part 3)
Sally (part 5)
Raymond Needham (part 3)
Clifford Turner (part 3) (as James Woolly)
Jules Glaenzer (part 3)
Sir Patrick Hastings
Norman Birkett
Lance Reventlow - ages 5-7 (part 4)
Lance Reventlow - age 11 (parts 4-5)
Moharoni
Woman Friend
Maurice Doan (part 6)
Raymond Doan (part 6)
Burlesque Artist (part 3) (uncredited)
Self (part 4) (archive footage) (uncredited)
Restaurant Guest (uncredited)