LeBron James character LeBron James
Don Cheadle character Al G. Rhythm
Cedric Joe character Dominic 'Dom' James
Jeff Bergman character Bugs Bunny / Sylvester / Yosemite Sam / Fred Flintstone (voice)
Gabriel Iglesias character Speedy Gonzales (voice)
Zendaya character Lola Bunny (voice)
Eric Bauza character Daffy Duck / Porky Pig / Foghorn Leghorn / Elmer Fudd (voice)
Candi Milo character Granny (voice)
Bob Bergen character Tweety Bird (voice)
Fred Tatasciore character Taz (voice)
Anthony Davis character Anthony Davis / The Brow
Damian Lillard character Damian Lillard / Chronos
Klay Thompson character Klay Thompson / Wet-Fire
Nneka Ogwumike character Nneka Ogwumike / Arachnneka
Diana Taurasi character Diana Taurasi / White Mamba
Sonequa Martin-Green character Kamiyah James
Ceyair J. Wright character Darius James
Harper Leigh Alexander character Xosha James
Khris Davis character Malik
Xosha Roquemore character Shanice James
Stephen Kankole character Young LeBron (13 Years)
Jalyn Hall character Young Malik (13 Years)
Wood Harris character Coach C
Jordan Thomas character Young Boy
Sue Bird character Sue Bird
Draymond Green character Draymond Green
A’ja Wilson character A’ja Wilson
Randy Mims character Barbershop Customer
Gerald 'Slink' Johnson character Warner Bros. Security Guard
Sarah Silverman character Warners Bros. Executive
Steven Yeun character Warners Bros. Executive
Ernie Johnson character Game Announcer
Lil Rel Howery character Game Announcer
Michael B. Jordan character Michael B. Jordan
Rosario Dawson character Wonder Woman (voice)
Justin Roiland character Rick Sanchez / Morty Smith (voice)
Kimberly Brooks character Additional Voices (voice)
