聚焦UFC传奇人物马克·克尔在职业生涯巅峰时期的生活，他对自己产生质疑，与生活和人际关系作斗争，与此同时，马克的女友Dawn Staple也努力在他混乱矛盾的世界里找到自己的位置。
演员: Dwayne Johnson
/ 艾米莉·布朗特
/ Ryan Bader
/ Bas Rutten
/ Lyndsey Gavin
/ Zoe Kosovic
/ Oleksandr Usyk
/ Satoshi Ishii
/ James Moontasri
/ Yoko Hamamura
/ Paul Cheng
/ Andre Tricoteux
/ Marcus Aurelio
/ Roberto "Cyborg" Abreu
/ Jerin Valel
/ Raja Flores
/ Egidiyus Klimas
/ Randi Lynne
/ Yasuhiro Nakatsuka
/ Kenny Rice
/ Tak Sasaki
/ Paul Wu
/ Joshua Mazerolle
/ Jason William Day
/ Mark Kerr
/ Annette Alvarado
/ James McSweeney
/ Jonathan Corbblah
/ Ilan Rosenberg
/ Nick Toren
/ Jill Basey
/ Bethany Brown
/ Soichi Sato
/ Takaaki Nagata
/ Jugo Hashimoto
/ Haruo Tokashiki
/ Hiroko Taki
/ Hironori Kamoshita
/ Yasuko Mitsuura
/ Shinpei Otsuki
/ Olga Dzyurak
/ 黒川武
/ Tomoka Kobayashi
/ Chris Franco
/ Takao Ōsawa
/ Midori Takiya
/ Naoshi Sasaki
/ Rina Shimomura
/ Royal Johnston
/ Whitney Moore
/ Adrianne Lovato
/ Tomoya Naka
/ Yuki Kedoin
/ Stephen Quadros
/ Tomoyasu Hotei
/ Nala Sinephro
/ Ryan Ventura
/ Paul Wu
/ Gary Copeland
/ Jamie Fair
/ Jordan Greer
/ Byron Capers
/ Ei Yoshikawa
/ Roberto de Abreu Filho
/ Lance Gibson
/ Yushin Okami
/ Marcus Vinicios
/ Adam Santos
/ Christopher Ackerman
/ Shawn C. Orr
/ Brett Randy Bourgeois
/ Scott Meloshinsky
/ Hugo Steele
/ Brennan Walstrom
/ Roberto Abreu
/ Jason Broadwell
/ Ismail Elfallahi
/ Charles Chi Soo Kim
/ Paul Lazenby
/ Jasper Salon
/ Nina Sugii
/ Naoki Tasaki
/ Jason Tremblay
/ Taylor Trujillo
/ Lawrence Yang
