Joseph Lee Anderson, the actor behind Rocky Johnson, is eight years younger than Uli Latukefu, who plays Dwayne Johnson during his college days.
Brett Azar was said to often stay in character as The Iron Sheik, even when cameras were not rolling, having picked up his mannerisms and speech patterns from archive interviews. Brett said that Sheik's daughter expressed how happy her father and family were at the authenticity of Brett's portrayal. Coincidentally, Young Rock was canceled by NBC on the same week the real Iron Sheik passed away at the age of 81.
Filming was originally scheduled to take place in Los Angeles, but the COVID-19 pandemic forced the production to move to Queensland, Australia, where the virus was mainly under control.
As he was too busy during production of the first two seasons to be locked in Australian hotel quarantine for two weeks, Dwayne Johnson instead opted to have his own scenes with Randall Park filmed in Atlanta.