- Solomon Hughes - Kareem Abdul-Jabbar
- Tamera Tomakili - Earleatha 'Cookie' Kelly
- Brett Cullen - Bill Sharman
- Stephen Adly Guirgis - Frank Mariani
- Spencer Garrett - Chick Hearn
- Sarah Ramos - Cheryl Pistono
- Molly Gordon - Linda Zafrani
- Joseph Brooks - Lon Rosen
- Jimel Atkins - Jamaal Wilkes
- Rob Morgan - Earvin Johnson Sr.
- Sally Field - Jessie Buss
- Michael O'Keefe - Jack Kent Cooke
- Kate Arrington - Joann Mueller
- Sean Small - Larry Bird
- Kirk Bovill - Donald Sterling
- Jerry Zucker - Jerry Zucker
- David Zucker - David Zucker
- Jim Abrahams - Jim Abrahams
- Daniel Deyoung - Rod Thorn
- Emily Berry - Head Nurse
- Anusha Angur - Young Nurse
- Stewart Skelton - Cooke Lead Counsel
- Emil Beheshti - Cooke Counsel 2
- Edward Fletcher - Sportswriter
- Brian Mahoney - Sportswriter
- Ted Enberg - Dick Enberg
- Cayden K. Williams - 8-Year-Old Earvin
- Landon Gordon - Child Actor
- Gayla Johnson - Beauty Parlor Woman
- Tiffany Jeneen - Beauty Parlor Woman
- Stevvi Alexander - Beauty Parlor Woman
- Arielle Reitsma - Honey
- Jonathan T. Floyd - Fred / Playboy Mansion Valet
- Michael James Boehler - Naked Man
- Terrence Stone - Butler
- Michael Whaley - Horn Nightclub MC
- Michael Majacks - Cab Driver
- Theresa Cameron - Stage Mom
- Yulia Rogatneva - Sterling Girl
- Olivia Novak - Sterling Girl
- G. Larry Butler - Johnny Most
- Thom Pinto - Male Radio Broadcaster (voice)
- Courtney Friel - Female Radio Broadcaster (voice)
- Harold Boons - Funny Johnson Uncle
- Bettye Davis - Funny Johnson Aunt
- Shiyenne Talley - Johnson Sister
- Jeff Pearlman - Journalist
- Catherine Pearlman - Bulls Secretary
- Idan Ravin - Daytime TV Anchor
- Nicholas Britell - Horn Nightclub Piano Player
- Noa Nevé - Horn Nightclub Singer
- Ashley Argota - Horn Nightclub Singer
- Carmit Bachar - Horn Nightclub Singer
- Melinda Sullivan - Horn Nightclub Singer
- Michael Chiklis - Red Auerbach
- LisaGay Hamilton - Christine Johnson
- Lola Kirke - Karen Bue West
- Rachel Hilson - Cindy Day
- Carter Redwood - Brian
- Lucy Walters - Beverly
- Rickey Brown - Quincy Johnson
- Darone Okolie - Larry Johnson
- Andy Hirsch - David Stern
- Eddie Pepitone - Mr. Melvin
- Earthquake - Mr. Leroy
- Donnell Rawlings - Mr. Earl
- Tate Birchmore - Young Jerry West
- Ezra Buzzington - Howard West
- Nancy Lantis - Gail
- Shaylaren Hilton - Maria
- Jeff Lewis - Arnie
- Jamald Gardner - Pastor Greene
- Gary Vitti - Scout
- Jonnathon Cripple - Scout
- Nell Sherman - Maude
- Robyn Clark - Edna
- David Purdham - Larry O'Brien
- Jim Hanna - Owner
- Albert Malafronte - Owner
- Kenneth Meseroll - Owner
- Patrick Day - Owner
- Troy Vincent - Owner
- Jayne Entwistle - Mary Lou Lieblich
- Vaughn Page - Workman
- Aaron Phifer - Workman
- Dimitri Dimitrov - Maitre'd
- Darren Richardson - Chasen's Waiter
- Kiara Muhammad - Evelyn Johnson
- Martin Harris - Inglewood Officer
- Michael Diamond - Chasen's Pianist
- Caryn Mower - Cecile West
- Jack Doke - Dennis McKinney
- Natalia Cordova-Buckley - Lucia
- Olivia Puckett - Wanda Cooper
John C. Reilly interpreta a Jerry Buss en la serie.
Quincy Isaiah interpreta a Earvin 'Magic' Johnson en la serie.
Jason Clarke interpreta a Jerry West en la serie.
Adrien Brody interpreta a Pat Riley en la serie.
Gaby Hoffmann hace el papel de Claire Rothman.
Jason Segel hace el papel de Paul Westhead.
Tracy Letts interpreta a Jack McKinney en la serie.
Hadley Robinson interpreta a Jeanie Buss en la serie.
DeVaughn Nixon interpreta a Norman 'Norm' Nixon en la serie.
Solomon Hughes hace el papel de Kareem Abdul-Jabbar.
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