Jack Lemmon (Joe Clay)
Lee Remick (Kirsten Anderson)
Charles Bickford (Ellis Arnesen)
Jack Klugman (Jim Hungerford)
Alan Hewitt ("Red" Leland)
Tom Rosqui (Bettor)
Olan Soule (Elevator Operator)
Katherine Squire (Mrs. Nolan)
Gail Bonney (Gladys)
Robert "Buddy" Shaw (Tenant)
Jack Riley (Waiter)
Charlene Holt (Guest)
J. Pat O'Malley (Tenant)
Mary Benoit (Tenant)
Ken Lynch (Liquor Store Owner)
Dick Crockett (Boors)
James Lanphier (Actor/Actress)
Ella Ethridge (Tenant)
Barbara Hines (Guest)
Tom Palmer (Ballefoy)
Debbie Megowan (Debbie Clay)
Maxine Stuart (Dottie)
Jack Albertson (Traynor)