Callum Turner as Thomas Webb

Jeff Bridges as W.F. Gerald

Kate Beckinsale as Johanna

Pierce Brosnan as Ethan Webb

Cynthia Nixon as Judith Webb

Kiersey Clemons as Mimi Pastori

Tate Donovan as George

Wallace Shawn as David

Anh Duong as Barbara

Debi Mazar as Anna

Ben Hollandsworth as Ari

John Bolger as Irwin Sanders

Bill Camp as Uncle Buster

Richard Bekins as Prominent New Yorker

Ryan Speakman as Gay Couple

Leonard Zimmerman as Ballroom Dancer (uncredited)

Andy Mackenzie as Tattoos (uncredited)

Eden Orshan as Wedding Band