A full moon party hits Mike White's HBO series, with major developments for multiple characters in 'The White Lotus' Season 3, Episode 5.

Sam Rockwell, who won the Academy Award for best supporting actor in 2018, made a surprise appearance in Episode 5 on March 16, playing Rick's old pal Frank. The actor's real-life partner is Leslie Bibb, who stars as Kate in this season of the show.

While most episodes of “The White Lotus” roughly follow one day of vacay for the hapless luxury travelers, episode 5 of the third season of this sprawling Mike White-created series lingers on the night of the Full Moon party in Thailand,