Rupert Pupkin

Robert De Niro

Jerry Langford

Jerry Lewis

Masha

Sandra Bernhard

Rita Keane

Diahnne Abbott

Ed Herlihy

Ed Herlihy

Bandleader

Louis Brown

Cathy Long

Shelley Hack

Stage Door Guard

Whitey Ryan

Tony Randall

Tony Randall

Chauffeur

Doc Lawless

Bert Thomas

Frederick De Cordova

Jonno

Kim Chan

Young Girl

Marta Heflin

Band leader

Lou Brown

Autograph Seeker

Katherine Wallach

Receptionist

Margo Winkler

Autograph Seeker

Charlene Kaleina

Crockett's Secretary

Scotty Bloch

Caricaturist

Richard Baratz

Raymond Wirtz

Ralph Monaco

Rupert's Mom (voice)

Catherine Scorsese

Dolores

Cathy Scorsese

Stage Door Fan

Loretta Tupper

Man in Chinese Restaurant

Charles Low

Herself

Liza Minnelli

Stage Door Fan

Peter Potulski

Roberta Posner

Leslie Levinson

Stage Door Fan

Vinnie Gonzales

Man at Telephone

Sel Vitella

Mr. Gangemi

Tony Boschetti

Cabbie

Matt Russo

Man in Chinese Restaurant

Chuck Low

Woman in Telephone Booth

Thelma Lee

Herself

Joyce Brothers

Street Scum

Joe Strummer

Autograph Seeker

Charles Kaleina

Mystery Guest

George Kapp

Newsman (voice)

Marvin Scott

Himself

Victor Borge

Man at Telephone

Alan Potashnick

Audrey

June Prud'Homme

Man at Telephone

Michael Kolba

Man at Telephone

Robert Colston

Street Scum

Ellen Foley

TV Director

Martin Scorsese

Man at Telephone

Ramon Rodriguez

Man at Telephone

Chuck Coop

Plainclothesman

Tony Devon

Wilson Crockett

Edgar J. Scherick

Gerrity

Thomas M. Tolan

Plainclothesman

Peter Fain

Giardello

Ray Dittrich

Captain Burke

Richard Dioguardi

Langford's Lawyer

Jay Julien

Street Scum

Paul Simonon

Agent

Harry Ufland

Crockett's Secretary

Scotty Block

Street Scum

Kosmo Vinyl

Announcer (voice)

Jeff David

McCabe

Bill Minkin

Street Scum

Mick Jones

Street Scum

Pearl Harbour

McCabe's Wife

Diane Rachell

Street Scum

Gaby Salter

Stage Manager

Jimmy Raitt

Street Scum

Jerry Baxter-Worman

Street Scum

Don Letts

First Man at Bar

Charles Scorsese

Second Man at Bar

Mardik Martin

Security Guard

Rob-Jamere Wess

Cook

Audrey Dummett

Langford's Agent

Harry J. Ufland

Ticket Taker

Jim Lyness

Plainclothesman

Dennis Mulligan

Plainclothesman

Michael F. Stodden

Plainclothesman

Gerard Murphy

Newsman (voice)

William Jorgensen

Newsman (voice)

Chuck Stevens

Newsman (voice)

William Littauer