The White Lotus star Sam Nivola, who plays young Lochlan Ratliff in Season 3, reveals series creator Mike White recommended he and his co-stars turn to a rather surprising television show for inspiration ahead of the new season: Southern Charm.

But one actor in particular has fans losing it on the internet after they finally put their fingers on where they knew him from. Jason Isaacs plays the role of Timothy Ratliff, a wealthy businessman who brings his family to the White Lotus resort in Thailand and faces some mysterious legal trouble back in the States.

There's a "Harry Potter" film series star in season 3 of "The White Lotus," which has come as a surprise to some fans.

Jason Isaacs has had a series of critically acclaimed roles, but he will forever be attached to the role of the villainous Lucius Malfoy in the Harry Potter series. The supporting role led to Isaacs being recognized globally,