吉米·布朗

Jim Brown

饰：Self - NFL Hall of Fame

布莱恩·安格

Brian Unger

饰：Narrator,

Bryant Gumbel

Bryant Gumbel

饰：Self - TV Journalist,Sportscaster

Thomas Hauser

Thomas Hauser

饰：Self - Author,Biographer

Lloyd Price

饰：Self - Rock & Roll Hall of Fame

Jerry Izenberg

饰：Self - Sports Journalist

Dave Kindred

饰：Self - Sports Journalist

Gorgeous George

饰：Self,(archive footage)

莱拉·阿里

Laila Ali

饰：Self - Daughter

马尔科姆·X

Malcolm X

饰：Self,(archive footage)

Floyd Patterson

饰：Self,(archive footage)

Khalilah Ali

饰：Self - Ex-Wife,(as Khalilah 'Belinda' Camacho Ali)

唐·米斯彻

Don Mischer

饰：Self - TV & Event Producer,Director

蒙博托·塞塞·塞科

Mobutu Sese Seko

饰：Self,(archive footage)

乔治·福尔曼

George Foreman

饰：Self,(archive footage)

穆罕默德·阿里

Muhammad Ali

饰：Self,(archive footage)

罗伯特·莉普赛特

Robert Lipsyte

饰：Self - Sports Journalist

里·库尔·J

James Todd Smith

Maryum Ali

饰：Self - Daughter,(as Maryum 'May May' Ali)

May May

饰：Self - Daughter,(as Maryum 'May May' Ali)

约翰·肯尼迪

John F. Kennedy

饰：Self,(archive footage)

Bob Arum

饰：Self - Boxing Promoter

舒格·雷·伦纳德

Sugar Ray Leonard

饰：Self - Champion

小朗尼·拉希德·林恩

Common

Sonny Liston

饰：Self,(archive footage)

比尔·拉塞尔

Bill Russell

饰：Self,(archive footage)

霍华德·考赛尔

Howard Cosell

饰：Self,(archive footage)

Jerry Quarry

Jerry Quarry

饰：Self,(archive footage)

乔·弗雷泽

Joe Frazier

饰：Self,(archive footage)

Earnie Shavers

饰：Self,(archive footage)