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

Lisa Golm

Elsie - Graham's maid in DC