James Caan
— Harry "Rabbit" Angstrom
Anjanette Comer
— Ruth Leonard
Carrie Snodgress
— Janice Angstrom
Jack Albertson
— Marty Tothero
Arthur Hill
— Jack Eccles
Melodie Johnson
— Lucy Eccles
Henry Jones
— Mr. Angstrom
Josephine Hutchinson
— Mrs. Angstrom
Don Keefer
— Mr. Springer
Carmen Mathews
— Mrs. Springer
Nydia Westman
— Mrs. Smith
Mark Antony Van der Nagel
— Nelson Angstrom
Virginia Vincent
— Margaret
Sondra Scott
— Miriam Angstrom
Margot Stevenson
— Mrs. Tothero
Ken Kercheval
— Barney
Joanne Helen Deane
— Bit Part
Harold Fong
— Drink Server (uncredited)