Dan Aykroyd

Louis Winthorpe III

Eddie Murphy

Billy Ray Valentine

Ralph Bellamy

Randolph Duke

Don Ameche

Mortimer Duke

Denholm Elliott

Coleman

Kristin Holby

Penelope Witherspoon

Paul Gleason

Clarence Beeks

Jamie Lee Curtis

Ophelia

Alfred Drake

President of Exchange

Bo Diddley

Pawnbroker

Frank Oz

Corrupt Cop

Jim Belushi

Harvey

Al Franken

Baggage Handler #1

Alan Dellay

Duke Domestic

Walt Gorney

Duke Domestic

Tom Mardirosian

Officer Pantuzzi

Robert Curtis Brown

Todd

Nicholas Guest

Harry

John Bedford Lloyd

Andrew

Robert Earl Jones

Attendant

Ron Taylor

Big Black Guy

Giancarlo Esposito

Cellmate #2

Steve Hofvendahl

Cellmate #3

James Eckhouse

Guard

Eddie Jones

Cop #3

John McCurry

Cop #4

Michelle Mais

Hooker #1

Barra Khan

Hooker #2

Bill Cobbs

Bartender

Jacques Sandulescu

Creepy Man

Kelly Curtis

Muffy

Philip Bosco

Doctor

Stephen Stucker

Stationmaster

Richard Hunt

Wilson

John Randolph Jones

Trader #2

Jack Davidson

Trader #3

Bernie McInerney

Trader #4

Ralph Clanton

Official #1

Bryan Clark

Official #2

Gary Klar

Longshoreman

Afemo Omilami

Longshoreman

Barry Dennen

Demitri

Benjean

Stray Dog (uncredited)

John Black

Man Sitting on Couch at Party (uncredited)

John Landis

Man with Briefcase (uncredited)

Charles Pendelton

Cop (uncredited)

Arleen Sorkin

Woman at Party (uncredited)

Marlene Willoughby

Woman Passed Out on Couch (uncredited)