Steve Martin

Arthur

Bernadette Peters

Eileen

Jessica Harper

Joan

Vernel Bagneris

The Accordion Man

John McMartin

Mr. Warner

John Karlen

The Detective

Jay Garner

The Banker

Tommy Rall

Ed

Christopher Walken

Tom

Francis X. McCarthy

The Bartender

Raleigh Bond

Mr. Barrett

Gloria LeRoy

A Prostitute

Nancy Parsons

The Old Whore

Jack Fletcher

Elevator Operator

George P. Wilbur

Motorcycle Police

M.C. Gainey

Young Policeman

Joseph G. Medalis

Counterman

William Frankfather

Pool Player

Will Hare

Father Everson

Paul Valentine

Bar Patron

Linda Montana

Bank Secretary

Twink Caplan

Bank Customer

Gene Ross

Bank Teller

Dave Adams

Bank Teller

Greg Finley

Bank Teller

Tammy O'Rourke

Dancer (uncredited)

Tanya Fenmore

Dancer / Schoolgirl (uncredited)