Sylvester Stallone
Robert 'Rocky' Balboa
Talia Shire
Adrianna 'Adrian' Pennino
Carl Weathers
Apollo Creed
Burgess Meredith
Mickey Goldmill
Thayer David
George 'Miles' Jergens
Bill Baldwin
Fight Announcer
George Memmoli
Ice Rink Attendant
Diana Lewis
TV Commentator
George O'Hanlon
TV Commentator
Larry Carroll
TV Interviewer
Billy Sands
Club Fight Announcer
DeForest Covan
Apollo's Corner
Tony Burton
Tony "Duke" Evers
Hank Rolike
Apollo Corner Man
Kathleen Parker
Paulie's Date
Frank Stallone Jr.
Streetcorner Singer
Jane Marla Robbins
Owner of Pet Shop
Christopher Avildsen
Chiptooth
Frankie Van
Club Fight Referee
Lou Fillipo
Championship Fight Announcer
Frank Stallone Sr.
Timekeeper
Robert L. Tangrea
Streetcorner Singer
Peter Glassberg
Streetcorner Singer
William E. Ring
Streetcorner Singer
Joseph C. Giambelluc
Streetcorner Singer
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)