Maureen

Demi Moore

Suze

Andrea Riseborough

Arthur

Harry Melling

Teddy

Karl Glusman

Lois

Mary Lynn Rajskub

Dickie

Ryan Simpkins

Billy

Cole Escola

Lon

Jake Choi

Gene

Karim Saleh

Joanne

Jaz Sinclair

Cal

Dana Ashbrook

Raymond

Matt D'Elia

Ida

Alisa Torres

Russell

Jake Sidney Cohen

Les

Yedoye Travis

Baker

Marquis Rodriguez

Choreographer

Marty Kudelka

Stoop Man

Brendan O'Meara

Bride

Ashley Cinq-Mars

Montgomery Clift

Dalton Weaver

Groom

Matt Aylward

Wedding Dancer №1

Mackenzie Black

Wedding Dancer №2

Tiki Preston

Wedding Dancer №3

Katie Conrad

Wedding Dancer №4

Maeve Fahey

Arthur's Father (voice) (uncredited)

Chris Eigeman

Sailor in bar (uncredited)

Amanda Kramer