Zachery Byrd
Ben
Ashley Johnson
Liza
Jessie Carter
Kenzie Klein
Jason Mewes
Bogart
Randy Quaid
Gordon
Peter Scolari
Dr. Zukreski
Kathy Najimy
Debra
Grant Rosenmeyer
Matty
Alexander Jameson
Young Ben
Frankie Petrosino
Young Ben's friend (uncredited)
Nico Petrosino
Young Ben's friend (uncredited)
April Mauger
Scared Bowling Girl
Chris Jarell
Ryker
Will Rogers
Marshall
Lilli Stein
Bethany
Carson Grant
Chippy
Gabriela Amerth
Homeless
Robert Asencio
Homeless Person
Eve Austin
Gloria
Nelson Avidon
Marshall's Dad
Jagan Badvel
Uber Driver
Dani Baum
Cult Member
Anthony Belfiore
Gym Member
Amanda Brooklyn
Jeanette
Nehemiah Brown
Vagabond
Kelly Alejandra Cantoral
Nanny
Nate Carter
Warren
Glorinda Marie Cook
Extra
Michael Leigh Cook
NYPD Dad
Denisa Juhos
Melanie
Russ DiBello
Creeper
Russell Dieterle
Bowler
Jerry DiLeo
Tom
Kristen Doscher
Taryn
David Fierro
Gerard
T. Vincent Flanagan
Homeless Man
Mikaela Happas
Bride-To-Be
Michael Hopkins
Bowling Alley Patron
Michael Huntsman
O.A. Purger
Nelson JoaQuin
Wedding Guest
Andrew Kady
Halloween Kid
Aaron Latta-Morissette
Dogpound Athlete
Mike Lee
Gym Member
Austyn Lilly
Young Liza
Darnell Olivere
Gym Member
Norman Outlaw
OA Meeting Supporter
Catherine Parish
Member of bridal party
Oscar Pavlo
Gym Guy
Jeanette Peabody
Homeless Person
Stephen Pellettiere
Bridal Party Patron
Michael Piper-Younie
Ed
Christina Ritter
Gym Member
Laura Rothschild
Bowler
Lionel Ruland
Gym Creep
Alina Seddon
Bowler
Cassandra Seidenfeld
Mystique
Dave Sorboro
Cult Member
Keelin Stark
Rehearsal Dinner Guest
Kelsey Lynn Stokes
Jennifer
Judy Toma
Rochelle
Mike Vezza
Italian Chef
Nick Young
Angry Driver
Albert Mario Zazzali
Harry
Valentina Zazzali
Bowler
Shara Ashley Zeiger
OA Meeting Sleep Eater
Guillermo Heredia
Cult Follower (uncredited)
Crew