Sylvester Stallone

Robert 'Rocky' Balboa

Talia Shire

Adrianna 'Adrian' Pennino

Burt Young

Paulie Pennino

Carl Weathers

Apollo Creed

Burgess Meredith

Mickey Goldmill

Thayer David

George 'Miles' Jergens

Joe Spinell

Tony Gazzo

Jimmy Gambina

Mike

Bill Baldwin

Fight Announcer

George Memmoli

Ice Rink Attendant

Jodi Letizia

Marie

Diana Lewis

TV Commentator

George O'Hanlon

TV Commentator

Larry Carroll

TV Interviewer

Stan Shaw

Dipper

Don Sherman

Bartender

Billy Sands

Club Fight Announcer

Pedro Lovell

Club Fighter

DeForest Covan

Apollo's Corner

Simmy Bow

Club Corner Man

Tony Burton

Tony "Duke" Evers

Hank Rolike

Apollo Corner Man

Shirley O'Hara

Secretary

Frank Stallone Jr.

Streetcorner Singer

Lloyd Kaufman

Drunk

Jane Marla Robbins

Owner of Pet Shop

Jack Hollander

Fats

Joe Sorbello

Bodyguard

Frankie Van

Club Fight Referee

Joe Frazier

Himself

Michael Dorn

Apollo Creed's Bodyguard (uncredited)

Arnold Johnson

Spectator (uncredited)

Stu Nahan

Fight Commentator (uncredited)

Frank Pesce

Spectator (uncredited)

Lavelle Roby

Mary Anne Creed (uncredited)

Arthur Tovey

Reporter (uncredited)

John Pleshette

Aftershave Commercial Director (uncredited)