Sylvester Stallone as Angelo "Snaps" Provolone

Marisa Tomei as Lisa Provolone

Vincent Spano as Anthony Rossano

Ornella Muti as Sofia Provolone

Tim Curry as Dr. Thornton Poole

Peter Riegert as Aldo

Chazz Palminteri as Connie

Martin Ferrero as Luigi Finucci

Harry Shearer as Guido Finucci

Kirk Douglas as Eduardo Provolone

Paul Greco as Schemer

Richard Foronjy as Knucky

Joey Travolta as Ace

Yvonne De Carlo as Aunt Rosa

Don Ameche as Father Clemente

Richard Romanus as Vendettii

Arleen Sorkin as Manicurist

William Atherton as Overton

Ken Howard as Kirkwood

Eddie Bracken as « Five Spot » Charlie

Tony Munafo as Frankie the Roach

Kurtwood Smith as Lt. Toomey, Chicago PD

Art LaFleur as Officer Quinn

Linda Gray as Roxanne

Robert Lesser as Officer Keough

Joycelyn O'Brien as Nora

Mark Metcalf as Milhous

Sam Chew Jr. as Van Leland

Elizabeth Barondes as Theresa

Sal Vecchio as Vendetti Hood

Danny Goldstine as Cab Driver

Kai Wulff as Underwood Chauffeur

Marshall Bell as Reporter #1

Tom Grant as Reporter #2

Louis D'Alto as Reporter #3

Rick Avery as Vendetti's Driver

Jim Mulholland as Oscar

Joe Dante as Face on the Cutting Room Floor

Jim Abrahams as Postman (uncredited)

Sal Mazzotta as Bodyguard 4 (uncredited)

Tino Insana as Tiny the Iceman (uncredited)

Earle Patriarco as Largo Al Factotum performer (voice)