Sylvester Stallone character Robert "Rocky" Balboa Sr.
Burt Young character Paulie Pennino
Antonio Tarver character Mason 'The Line' Dixon
Geraldine Hughes character Marie
Milo Ventimiglia character Rocky Balboa Jr.
Tony Burton character Tony "Duke" Evers
A.J. Benza character L.C.
James Francis Kelly III character Steps
Lou DiBella character Lou DiBella
Mike Tyson character Mike Tyson
Henry G. Sanders character Martin
Pedro Lovell character Spider Rico
Ana Gerena character Isabel
Angela Boyd character Angie
Louis Giansante character Bar Thug
Maureen Schilling character Lucky's Bartender
Lahmard J. Tate character X-Cell
Woody Paige character ESPN Commentator
Skip Bayless character ESPN Commentator
Jay Crawford character ESPN Commentator
Brian Kenny character ESPN Host
Dana Jacobson character ESPN Host
Charles Johnson character ESPN Host
James Binns character Commissioner
Johnnie Hobbs Jr. character Commissioner
Barney Fitzpatrick character Commissioner
Jim Lampley character HBO Commentator
Larry Merchant character HBO Commentator
Max Kellerman character HBO Commentator
LeRoy Neiman character LeRoy Neiman
Bert Randolph Sugar character Ring Magazine Reporter
Bernardo Fernández character Boxing Association of America Writer
Gunnar Peterson character Weightlifting Trainer
Yahya character Dixon's Opponent
Marc Ratner character Weigh-In Official
Anthony Lato Jr. character Rocky's Inspector
Jack Lazzarado character Dixon's Inspector
Michael Buffer character Ring Announcer
Joe Cortez character Referee
Carter Mitchell character Shamrock Foreman
Vinod Kumar character Ravi
Fran Pultro character Father at Restaurant
Frank Stallone character Dinner Patron
Jody Giambelluca character Dinner Patron
Tobias Segal character Robert's Friend
Tim Carr character Robert's Friend
Matt Frack character Robert's Friend #3
Paul Dion Monte character Robert's Friend
Kevin King Templeton character Robert's Friend
Michael Robert Kelly character Mr. Tomilson
Rick Buchborn character Rocky Fan
Nick Baker character Irish Pub Bartender
Don Sherman character Andy
Stu Nahan character Computer Fight Commentator (voice)
Gary Compton character Security Guard
David Gere character Patron at Adrian's (uncredited)
