There was plenty of warmth on the red carpet during a chilly Monday evening for Universal’s world premiere of “Hail, Caesar!” at the Regency Village Theatre.

George Clooney found it refreshing that the Coen Brothers’ movie was set in the 1950s — when movies were still the dominant form of entertainment.

“I liked having really big actual sets instead of CGI (computer-generated imagery),” the 54-year-old noted. “And I liked having my hair dyed black, because it made feel young and lively.”

“Hail, Caesar!” is Clooney’s fourth movie with Joel and Ethan Coen, following “O Brother, Where Art Thou?,” “Intolerable Cruelty” and “Burn After Reading.”

“I don’t think any actor turns down a Coen Brothers movie,” Clooney mused. “They like to smack me around in their movies… When they send me a script, I’m usually playing an idiot.”

As if in testament to this, a few minutes, Joel Coen...