Sylvester Stallone
as Robert 'Rocky' Balboa

Talia Shire
as Adrianna 'Adrian' Pennino

Burt Young
as Paulie Pennino

Carl Weathers
as Apollo Creed

Burgess Meredith
as Mickey Goldmill

Thayer David
as George 'Miles' Jergens

Joe Spinell
as Tony Gazzo

Jimmy Gambina
as Mike

Bill Baldwin
as Fight Announcer

Al Silvani
as Cut Man

George Memmoli
as Ice Rink Attendant

Jodi Letizia
as Marie

Diana Lewis
as TV Commentator

George O'Hanlon
as TV Commentator

Larry Carroll
as TV Interviewer

Stan Shaw
as Dipper

Don Sherman
as Bartender

Billy Sands
as Club Fight Announcer

Pedro Lovell
as Club Fighter

DeForest Covan
as Apollo's Corner

Simmy Bow
as Club Corner Man

Tony Burton
as Tony "Duke" Evers

Hank Rolike
as Apollo Corner Man

Shirley O'Hara
as Secretary

Kathleen Parker
as Paulie's Date

Frank Stallone Jr.
as Streetcorner Singer

Lloyd Kaufman
as Drunk

Jane Marla Robbins
as Owner of Pet Shop

Jack Hollander
as Fats

Joe Sorbello
as Bodyguard

Christopher Avildsen
as Chiptooth

Frankie Van
as Club Fight Referee

Lou Fillipo
as Championship Fight Announcer

Paris Eagle
as Fighter

Frank Stallone Sr.
as Timekeeper

Robert L. Tangrea
as Streetcorner Singer

Peter Glassberg
as Streetcorner Singer

William E. Ring
as Streetcorner Singer

Joseph C. Giambelluc
as Streetcorner Singer

Joe Frazier
as Himself

Michael Dorn
as Apollo Creed's Bodyguard (uncredited)

Arnold Johnson
as Spectator (uncredited)

Stu Nahan
as Fight Commentator (uncredited)

Frank Pesce
as Spectator (uncredited)

Lavelle Roby
as Mary Anne Creed (uncredited)

Arthur Tovey
as Reporter (uncredited)

John Pleshette
as Aftershave Commercial Director (uncredited)

Butkus Stallone
as Dog