| Cast list | | Ann-Margret | as | Ann Arden Grenville | | Claudette Colbert | as | Alice Grenville | | Stephen Collins | as | Billy Grenville Jr. | | John Rubinstein | as | Bratsie Bleeker | | Elizabeth Ashley | as | Babette Van Degan | | Penny Fuller | as | Cordelia Grenville Hardington | | Kate Harper | as | Felicity Grenville | | Jana Shelden | as | Grace Grenville | | Peter Eyre | as | Basil Plante | | Alan Oppenheimer | as | Sam Rosenthal | | Sam Wanamaker | as | District Attorney | | Toria Fuller | as | Esme Bland | | Robert Sherman | as | Billy Bob Veblen | | Siân Phillips | as | Duchess of Windsor | | Michael Feinstein | as | Pianist |
| | Crew list: | | John Erman (Director) | | Dominick Dunne (Writer) | | Derek Marlowe (Writer) |
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