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

Al Silvani

Cut Man

George Memmoli

Ice Rink Attendant

Diana Lewis

TV Commentator

George O'Hanlon

TV Commentator

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

Lou Fillipo

Championship Fight Announcer

Frank Stallone Sr.

Timekeeper

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)