Dwayne "The Rock" Johnson's signature tattoos and bald head are nowhere to be seen in the first trailer for A24's upcoming biopic about a legendary athlete. In "The Smashing Machine,"Johnson transforms into mixed martial arts (MMA) and Ultimate Fighting Championship (UFC) fighter Mark Kerr,

Dwayne Johnson stars as former wrestler and UFC star Mark Kerr in a new trailer for Benny Safdie's "The Smashing Machine."

A24 is previewing "The Smashing Machine," directed by Benny Safdie and starring Dwayne Johnson as MMA fighter and two-time UFC Heavyweight Tournament Champion Mark Kerr.