Joan Crawford
Louise Howell
Van Heflin
David Sutton
Raymond Massey
Dean Graham
Geraldine Brooks
Carol Graham
Stanley Ridges
Dr. Willard
John Ridgely
Chief investigator of drowning
Moroni Olsen
Dr. Ames - Mrs. Smith's psychiatrist
Erskine Sanford
Dr. Sherman - Graham's physician at inquest
Peter Miles
Wynn Graham
Jakob Gimpel
Walter Sveldon - pianist
Isabel Withers
Nurse Rosen
Lisa Golm
Elsie - Graham's maid in DC
Douglas Kennedy
District Attorney at inquest
Monte Blue
Norris - lake house caretaker
Don McGuire
Dr. Craig - Dr. Willard's asst.
Rory Mallinson
Coroner's assistant
Clifton Young
Intern
Griff Barnett
Coroner