Lee Remick
— Margaret Sullavan
Jason Robards
— Leland Hayward
Deborah Raffin
— Brooke Hayward
Dianne Hull
— Bridget Hayward
Hart Bochner
— William 'Bill' Hayward
Linda Gray
— Nan
Richard Johnson
— Kenneth Wagg
Christopher Guest
— The TV Director
Charles Robinson
— Male Nurse
Dennis Holahan
— Bill II
Donald Petrie
— Tom
Kaki Hunter
— The Girl
Larry Golden
— Dr. Miller
Isabel West
— Buffy
John Denos
— Dr. Russell
Ken Letner
— Family Friend
Natalie Masters
— Mother Superior
Lindsay Brooke King
— Brooke, age 7
Kimberly Knox
— Bridget, age 6
Matt McGowan
— Bill, age 3
Kim Guerin
— Brooke's Daughter
Evelyn Bell
— The Tourist
Margarita García
— Brooke's Maid
Isabel Cooley
— The Nurse
Woody Skaggs
— Guest at the Reception
John Alderson
— Andrew (uncredited)
Ivy Bethune
— Emily (uncredited)
Mary Gregory
— Miriam (uncredited)
Melora Hardin
— Brooke Hayward, age 11 (uncredited)
Minnie G. Lindsey
— Elizabeth (uncredited)