Andrea Riseborough

Character: Suze

Harry Melling

Character: Arthur

Karl Glusman

Character: Teddy

Demi Moore

Character: Maureen

Ryan Simpkins

Character: Dickie

Jake Choi

Character: Lon

Karim Saleh

Character: Gene

Matt D'Elia

Character: Raymond

Jake Sidney Cohen

Character: Russell

Cole Escola

Character: Billy

Jaz Sinclair

Character: Joanne

Alisa Torres

Character: Ida

Yedoye Travis

Character: Les

Marquis Rodriguez

Character: Baker

Dana Ashbrook

Character: Cal

Mary Lynn Rajskub

Character: Lois

Ashley Cinq-Mars

Character: Bride

Matt Aylward

Character: Groom

Mackenzie Black

Character: Wedding Dancer №1

Tiki Preston

Character: Wedding Dancer №2

Katie Conrad

Character: Wedding Dancer №3

Maeve Fahey

Character: Wedding Dancer №4

Chris Eigeman

Character: Arthur's Father (voice) (uncredited)

Amanda Kramer

Character: Sailor in bar (uncredited)