Robert Leigh

饰：Narrator

Cynthia Bir

饰：Herself - Science Team Leader

David Sandler

饰：Himself

布伦·福斯特

Bren Foster

尾畑敏郎

Toshirô Obata

饰：自己

马克·希克斯

Mark Hicks

饰：自己

雷克森·格雷西

Rickson Gracie

饰：自己

阿诺德•庄

Arnold Chon

饰：自己

伊鲁山度

Dan Inosanto

饰：自己

詹姆斯·卢

James Lew

饰：自己

Amir Perets

饰：Self,3 episodes, 2007-2010,

John Brenkus

饰：HHimself,2 episodes, 2010,

拉蒂夫·克劳德

Lateef Crowder

饰：1 episode, 2008

Mindy Kelly

饰：1 episode, 2008

Daniel Ilabaca

饰：1 episode, 2008

Ryan Doyle

饰：Self,1 episode, 2008,

凯勒·沃瑟姆

Keller Wortham

饰：Self,1 episode, 2010,

Craig Pumphrey

饰：1 episode, 2010

柳青

Jim lau

饰：Self - Martial Artist: Wing Chun,unknown episodes,

亚历克斯·黄

Alex Huynh

饰：Self - Martial Artist,unknown episodes,

Melchor Menor

饰：Self - Martial Artist: Muay Thai,unknown episodes,

Dean Lister

饰：Self,unknown episodes,

巴斯·鲁藤

Bas Rutten

饰：Self,1 episode, 2008,

西蒙·瑞

Simon Rhee

饰：1 episode, 2008

格伦·利维

Glen Levy

饰：Self,1 episode, 2008,

Gary Fredo

饰：Self,1 episode, 2008,

Chris Caracci

饰：Self,1 episode, 2008,

Mike Bergen

饰：1 episode, 2010

兰迪·库卓

Randy Couture

饰：Self,unknown episodes,

Paul Pumphrey

饰：Self - Martial Artist: Breaking,unknown episodes,

Michael Shu

饰：Self - Martial Artist: Katana,unknown episodes,