Robert De Niro as Harry Fabian

Jessica Lange as Helen Nasseros

Cliff Gorman as Phil Nasseros

Alan King as Ira "Boom Boom" Grossman

Jack Warden as Al Grossman

Eli Wallach as Peck

Barry Primus as Tommy Tessler

Gene Kirkwood as Resnick

Gerard Murphy as Steel Jaw #1

Clem Caserta as Steel Jaw #2

Anthony Canarozzi as Emmett Gorgon

David W. Butler as John Bonney

Byron Utley as Frisker at Disco Club

Margo Winkler as Judge Parker

Maurice Shrog as Gym Manager

Regis Philbin as Self

Joy Philbin as Self

Richard Price as Doctor

Franklin Dennis Jones as John Dugan

Thomas Mikal Ford as Herman

Peter Bucossi as Attacker

Bert Sugar as Guy at Bar

Nathaniel E. Johnson as Kid Client

Brenda Denmark as Kid's Mom

Barry Squitieri as Marty Kaufman

Lisa Vidal as Carmen

Carol Woods as Secretary

Joseph D'Onofrio as Mike

Michael Badalucco as Elaine's Bartender

Deborah Watkins as Nun

Nandan Sage as Gupta

Harsh Nayyar as Faruz

Ben Lin as Duk Soo Kim

John Polce as Bouncer

Rosalind Malloff as Freida

Kennan Scott as Kid on Phone

Henry Milligan as Cotton

Victor Machado as Santiago

Chuck Low as Freddy DiMario

Lou Polo as Jap Epstein

Louis Cantarini as Boxing Official

John Quinn as Bartender

Philip Carlo as Peck's Guy

Cameron Lane as Mugger #1

Sharrieff Pugh as Mugger #2

Mitchell Tex Low as Delivery Man

Mick Cunningham as Kid at Disco

Dave Reilly as Cop #2

Leslie Bart as Boom Boom's Secretary

Ann Devaney as Gorgon's Girl

Lorenzo Palminteri as Tommy Carver

Catherine Russell as Singer

Ed Bannister as Cop (uncredited)

David Boston as Con Edison Worker (uncredited)

Angel Brown as Taxi Passenger (uncredited)

Alfred Cole as Self (uncredited)

Ronnie Cuber as Saxophonist (uncredited)

Dan Gifford as Man in Bar (uncredited)

Gary Gold as Musician (uncredited)

Jennifer C. Johnson as Woman (uncredited)

Diane Kimbrell as Shopper (uncredited)

Leslie Lawrence as Preppie Boxer's Girlfriend (uncredited)

John Maczko as Heavy (uncredited)

Felicia Peluso as Nightclub Principle (uncredited)

Michael Rispoli as Trainer (uncredited)

Michael Tenaglia as Boxer with Speedbag (uncredited)

Paul Zimmerman as Diner (uncredited)