Leonardo DiCaprio on his Oscar nod, Brad Pitt and Ricky Gervais

In “Once Upon a Time … in Hollywood,” Leonardo DiCaprio plays a struggling actor who can only dream of being nominated for an Academy Award. He has to fight for good parts, is never recognized for industry accolades and is forced to travel overseas to get work.

You and costar Brad Pitt seem to have grown especially close on the awards trail. How has your friendship evolved since filming?

Both of us connected with the relationship that the two characters have in the film — the support system they have for one another. Having grown up in this industry around the same time and places, we just clicked into these people. It was a really natural, implicit understanding. It was amazing working with Brad.

At the Golden Globes this month, he cracked that he thought Jack should’ve shared the life raft with Rose at the end of “Titanic.” Were you surprised by the depth of his “Titanic” knowledge?

He always comes prepared with some good quip on stage — especially the last-minute ones.

Read more.