Jack Lemmon as Harry Berlin

Peter Falk as Milt Manville

Elaine May as Ellen Manville

Nina Wayne as Linda

Eddie Mayehoff as D.A. Goodhart

Paul Hartman as Doyle

Severn Darden as Vandergist

Alan DeWitt as Dalrymple

Martin Abrahams as Coney Island Attendant (uncredited)

James J. Casino as Bar Patron (uncredited)

Noble 'Kid' Chissell as Bar Patron (uncredited)

Terrayne Crawford as Woman in the Car (uncredited)

Daniel Elam as Bar Patron (uncredited)

Duke Fishman as Bar Patron (uncredited)

Harrison Ford as Irate Motorist (uncredited)

Ralph Gambina as Bar Patron (uncredited)

Joseph Glick as Bar Patron (uncredited)

Richard LaMarr as Bar Patron (uncredited)

Clarence M. Landry as Bar Patron (uncredited)

Esther Ying Lee as Restaurant Patron (uncredited)

Tina Menard as Elevator Passenger (uncredited)

Bob Okazaki as Maitre D' (uncredited)

Cap Somers as Bartender (uncredited)

Martin Strader as Bar Patron (uncredited)