Jack Lemmon
Felix Ungar
Walter Matthau
Oscar Madison
John Fiedler
Vinnie
Herb Edelman
Murray
David Sheiner
Roy
Monica Evans
Cecily
Carole Shelley
Gwendolyn
Iris Adrian
Waitress
Billie Bird
Chambermaid (uncredited)
Angelique Pettyjohn
Go-go Dancer (uncredited)
Heywood Hale Broun
Sports Journalist (uncredited)
Larry Haines
'Speed'
