Felix Unger
Tony Randall
Oscar Madison
Jack Klugman
Dr. Nancy Cunningham
Joan Hotchkis*
Blanche Madison
Brett Somers
Gloria Unger
Janis Hansen
Edna Unger
Pamelyn Ferdin
Chuk Mai Chin
Jack Soo
Murray Greshner
Al Molinaro
Mr. Wing
Pat Morita
Jock
Dave Ketchum
Cemetery Salesman
Dan Tobin
Mr. Duke
John Fiedler
Dr. Nancy Cunningham
Joan Hotchkis
Billy Jack
Arch Johnson
Leonard
Willie Aames
Speed
Garry Walberg
Man #2 / Roger / Tailor
Billy Sands
Mike
Jimmy Van Patten
Buzzy Allen
Bobby Baum
Professor Faraday
Bernie Kopell
Martha
Hilarie Thompson
Vinnie
Larry Gelman
Trudy
Joan Van Ark
Dr. Burger
Norbert Schiller
Cho San
H.W. Gim
Minister / Dr. Bates / Florist
Richard Stahl
Myrna
Penny Marshall
Lady
Thelma Pelish
Miriam Welby
Elinor Donahue
Loretta Spoon
Ann Doran
Mimi
Madge Kennedy
Roy
Ryan MacDonald
Doyle / Oscar's Co-Worker / Coach
Eddie Garrett
Track Official / Super / Man
Herbie Faye
Ed / Arnold / Man in Waiting
Louis Guss
Dr. Melnitz
Bill Quinn
Judge / Dr. Conway
Curt Conway
Gwendolyn
Carole Shelley
Cecily
Monica Evans