Alia Shawkat
— Josie
Janet McTeer
— Meredith
Rhys Wakefield
— Michael
Nancy Kwan
— Margaret
Emily Rios
— Pen
Alfred Molina
— Cal
Mish Way
— Lola Lola
Austin Barber
— Man in Crowd
Terry Kinney
— Detective Brooks (voice)
Beau Sia
— Phil
Amanda Shokrian
— Cellist at the Funeral
Jesse Nolan
— Ben Sinister
Ashley Blaine Featherson
— Shirley Mae
Annabelle Attanasio
— Amanda One
Simon Helberg
— Jeremy
Tom Nolan
— Restaurant Patron
Rudy Dobrev
— Conrad
Chris Palko
— Nick Nitro
Corrina Bain
— Punk in the Bar
Bucky Sinister
— Bartender
John Marshall Jones
— Officer Jones
Lucas Hubert
— Young Michael
Katelyn Millette
— Young Meredith
Russ Tamblyn
— Meredith's Friend
Glenda Chism
— Hotel Manager
Elizabeth Nolan
— Gerta
John Roberts
— D (uncredited)
Ken Davitian
— Masha the Baker (uncredited)
Patrick Davis Alarcón
— Marbles (uncredited)
Erik Valdez
— Officer Valducci (uncredited)