泰伦斯·霍华德

Terrence Dashon Howard

饰：Cassius Clay

史蒂夫·哈里斯

Steve Harris

饰：Sonny Liston

齐·麦克布赖德

Chi McBride

饰：Drew `Bundini` Brown

加里·杜尔丹

Gary Dourdan

饰：Malcolm X

约翰·文堤米利亚

John Ventimiglia

饰：Angelo Dundee

维托·鲁吉尼斯

Vyto Ruginis

卡门·阿尔根齐亚诺

The King

杰森·维纳

Jason Winer

饰：Robert Lypsite

乔·阿拉斯奇

Joe Alaskey

饰：Jackie Gleason

布兰顿·史密斯

Brandon Smith

饰：Bill Barnstable

罗杰·博伊斯

Rodger Boyce

饰：Bill McDonald

菲利斯·西塞罗

Phyllis Cicero

饰：Mrs. Geraldine Liston

Jerry Haynes

饰：Jimmy Cannon

Steve Shearer

饰：Jack Nilon

Vince Davis

Vince Davis

饰：Izzy Sharnik

Michael Thornberry

饰：演员 Actor/Actress

William Hardy

饰：演员 Actor/Actress

Franklyn J. Anderson

饰：演员 Actor/Actress

达里尔·考克斯

Darryl Cox

杰里米·丹茨林格

Jeremy George Denzlinger

饰：演员 Actor/Actress

Charles Sanders

Charles Sanders

饰：Louisville One

Michelle Fitzgerald

饰：Promoter's Ex-Wife

Blue Deckert

Blue Deckert

饰：Gorgeous George

Troy Curvey Jr.

Troy Curvey Jr.

饰：Joe Pollino,(as Troy Curvey)

Nik Hagler

饰：Louisville Two