Sylvester Stallone .... Rocky Balboa
Burt Young .... Paulie
Antonio Tarver .... Mason 'The Line' Dixon
Geraldine Hughes .... Marie
Milo Ventimiglia .... Rocky Jr.
Tony Burton .... Duke
A.J. Benza .... L.C.
James Francis Kelly III .... Steps
Talia Shire .... Adrian (archive footage)
Henry G. Sanders .... Martin
Pedro Lovell .... Spider Rico
Angela Boyd .... Angie
rest of cast listed alphabetically:
James Binns .... Boxing Commissioner
Michael Buffer .... Ring Announcer
Tim Carr .... Roberts's Friends
Joe Cortez .... Referee
Lou DiBella .... Robert Brown (attached)
Bernard Fernández .... Reporter
Barney Fitzpatrick .... Commissioner
Matt Frack .... Rocky Jr.'s Friend
Charles Johnson .... Reporter
Max Kellerman .... HBO Commentator
Brian Kenny .... ESPN Host
Jim Lampley .... HBO Commentator
Larry Merchant .... HBO Commentator
Paul Dion Monte .... Robert's Friend
Marc Ratner .... Weigh-In Official
Bert Randolph Sugar .... Ring Magazine Reporter
Lahmard J. Tate .... X-Cell