- Robert De Niro
- Rupert Pupkin
- Jerry Lewis
- Jerry Langford
- Diahnne Abbott
- Rita Keane
- Sandra Bernhard
- Masha
- Ed Herlihy
- Ed Herlihy
- Lou Brown
- Band Leader
- Loretta Tupper
- Stage Door Fan
- Peter Potulski
- Stage Door Fan
- Vinnie Gonzales
- Stage Door Fan
- Whitey Ryan
- Stage Door Guard
- Doc Lawless
- Chauffeur
- Marta Heflin
- Young Girl
- Katherine Wallach
- Autograph Seeker
- Charles Kaleina
- Autograph Seeker
- Richard Baratz
- Caricaturist
- Catherine Scorsese
- Rupert's Mom
- Cathy Scorsese
- Dolores
- Chuck Low
- Man in Chinese Restaurant
- Liza Minnelli
- Liza Minnelli
- Leslie Levinson
- Roberta Posner
- Alan Potashnick
- Man at Telephone
- Michael Kolba
- Man at Telephone
- Robert Colston
- Man at Telephone
- Ramon Rodriguez
- Man at Telephone
- Chuck Coop
- Man at Telephone
- Sel Vitella
- Man at Telephone
- Margo Winkler
- Receptionist
- Tony Boschetti
- Mr. Gangemi
- Shelley Hack
- Cathy Long
- Mick Jones
- Street Scum
- Joe Strummer
- Street Scum
- Paul Simonon
- Street Scum
- Kosmo Vinyl
- Street Scum
- Ellen Foley
- Street Scum
- Pearl Harbour
- Street Scum
- Gaby Salter
- Street Scum
- Jerry Baxter-Worman
- Street Scum
- Don Letts
- Street Scum
- Matt Russo
- Cabbie
- Thelma Lee
- Woman in Telephone Booth
- Joyce Brothers
- Dr. Joyce Brothers
- George Kapp
- Mystery Guest
- Victor Borge
- Victor Borge
- Ralph Monaco
- Raymond Wirtz
- Rob-Jamere Wess
- Security Guard
- Kim Chan
- Jonno
- Audrey Dummett
- Cook
- June Prud'Homme
- Audrey
- Frederick De Cordova
- Bert Thomas
- Edgar J. Scherick
- Wilson Crockett
- Thomas M. Tolan
- Gerrity
- Ray Dittrich
- Giardello
- Richard Dioguardi
- Captain Burke
- Jay Julien
- Langford's Lawyer
- Harry J. Ufland
- Langford's Agent
- Scotty Bloch
- Crockett's Secretary
- Jim Lyness
- Ticket Taker
- Bill Minkin
- Clarence McCabe
- Diane Rachell
- McCabe's Wife
- Dennis Mulligan
- Plainclothesman
- Tony Devon
- Plainclothesman
- Peter Fain
- Plainclothesman
- Michael F. Stodden
- Plainclothesman
- Gerard Murphy
- Plainclothesman
- Jimmy Raitt
- Stage Manager
- Martin Scorsese
- TV Director
- Tony Randall
- Tony Randall
- Charles Scorsese
- First Man at Bar
- Mardik Martin
- Second Man at Bar
- Bill Jorgensen
- Newsman
- Marvin Scott
- Newsman
- Chuck Stevens
- Newsman
- William Litauer
- Newsman
- Jeff David
- Announcer
- Allan Baker
- Audience Member
- Diane Baldessari
- Office Assistant
- Margaret Mary Briggs
- Girlfriend at Bar
- Curt Hayward
- Live Audience
- Mary Elizabeth Mastrantonio
- Extra in crowd scene
- Joe Napoleone
- Waiter
- William G. Schilling
- Man on Street
- Mike Tremont
- Talk Show Contestant
