Who played Rick Dalton in the 2019 comedy-drama film 'Once Upon a Time in Hollywood'?

'Once Upon a Time in Hollywood' is a 2019 comedy-drama film written and directed by Quentin Tarantino. Produced by Columbia Pictures, Bona Film Group, Heyday Films, and Visiona Romantica and distributed by Sony Pictures Releasing, it is a co-production between the United States and the United Kingdom. It features a large ensemble cast led by Leonardo DiCaprio, Brad Pitt, and Margot Robbie.

Rick Dalton (Leonardo DiCaprio ) is an actor who starred in the television Western series 'Bounty Law', based on 'Wanted Dead or Alive', which starred Steve McQueen. Dalton's relationship with Cliff Booth is based on Burt Reynolds' and his longtime stunt double Hal Needham. Dalton was inspired by actors whose careers began in Classical Hollywood, but faltered in the 1960s, like Ty Hardin who went from starring in a successful TV Western to making Spaghetti Westerns. Also by Ralph Meeker. Though not mentioned in the film, Dalton suffers from undiagnosed bipolar disorder, inspired by Pete Duel.

Tarantino first created Cliff Booth (Brad Pitt), giving him a massive backstory. Then, the actor Booth was the stunt double for Rick Dalton.