“Shark Tank” host Kevin O’Leary gave insight into his experience working with Timothée Chalamet on the set of “Marty Supreme ” while attending the 2026 Golden Globes on Sunday night.

Near the end of the movie, when Marty is about to go back on his word and not throw the match against Koto Endo (Koto Kawaguchi) that Milton Rockwell has fixed, the vengeful multi-millionaire lets out the most insane little speech:

It wasn’t a small role, either: O’Leary, a.k.a. Mr. Wonderful, the Canadian investor known for his candid, no-nonsense reality TV persona, would play Milton Rockwell, a wealthy businessman holding the purse strings for Timothée Chalamet’s Marty Mauser, a confident hustler with big dreams.

Shark Tank' star Kevin O'Leary used a real ping-pong paddle to spank Timothée Chalamet's butt in 'Marty Supreme' after the actor refused a double.

O'Leary, who was critical of Mamdani during the campaign, said he intends to meet with the mayor soon to discuss housing.

The Shark Tank star pushed to make his character more ruthless, but his favorite moment about success and watches didn't make the final cut.

Josh Safdie’s first solo effort, an antic sports movie, revels in a darker side of the American dream.

Here's a guide to the colorful characters of "Marty Supreme," from Timothee Chalamet and Gwyneth Paltrow to Kevin O'Leary, Fran Drescher and more.