- Evangeline Lilly
- Samantha
- Owen Atlas
- Lucas
- Adam Scott
- Gary
- Marcus Terrell Smith
- Dwayne
- James Weir
- Mac
- Russ Mitchell
- Russ Mitchell
- Paul Slimak
- Homeless Albino
- Bridget Everett
- Al
- Clancy Brown
- Reverend J.D. Gospel
- Rick Applegate
- Principal
- Ken Bolden
- School Psychiatrist
- Chip Zien
- Stepdad Therapist
- Chris D'Elia
- Wayne
- Kyle Bornheimer
- Victor
- Donald Faison
- Larry
- Schuyler White
- Birthday Clown
- Carla Gallo
- Wendy
- Noah Craig
- Jeremy
- Tyler Labine
- Karl C. Miller
- Mark Rademacher
- Wedding Priest
- Allen Roth
- Uncle Scott
- Steve Kosinski
- Priest
- Hank Harris
- Gabriel
- Cherie McClain
- News Reporter
- David Myers Gregory
- End of Times Believer
- Rhonda Freya English
- Clerk
- Brad Williams
- Gozamel
- Peggy Miller
- End Times Shopper
- Sally Field
- Miss Shaylock
- Sasha Craig
- Mom at Waterpark
- Michael Ryan Boehm
- Annoyed Kid
- Todd Emmett
- Policeman #1
- John Sundquist
- Policeman #2
- Eli Craig
- Derby Official
- Anita Farmer Bergman
- Ice Cream Patron
- Chris Briley
- Cult Member / Wedding Guest / Step Dad (uncredited)
- Thomas C Butcher
- Church Worshiper
- Christina Cacic
- Waterpark Mom
- Stephen R. Campanella
- Police Officer
- Grayson Campbell
- Student / Park Goer (uncredited)
- Amy Kay Clark
- Waterpark Parent
- Laura Masi Cline
- Police Officer
- Suzie Coker
- Teacher
- Nathan Conn
- Paramedic
- Roger Conners
- Cult Member
- Lexi Cowan
- Little Leaguer / Water Park Swimmer (uncredited)
- Lloyd Crago
- School Teacher
- Logan Crank
- Ball Player
- Alex DeCourville
- Derby Spectator
- Richard Doone
- Larry the School Janitor
- Rick Dremann
- Cult Member
- Donnie Dunn
- Bar Patron
- Tokkyo Faison
- Bodyguard #1
- Ashley Fast
- Birthday Party Guest
- Rod Fielder
- Cult Follower
- Eric Frank
- Guy Arguing Outside Store / Protester / Cult Follower / Derby Spectator (uncredited)
- Jace Frank
- Wayne's Stepson
- Scott Garan
- Thunderous Man
- Bryan Geary
- Marathon Runner
- Nick Georgopoulos
- Wedding Guest & Cult Follower
- Carlos Gonzalez
- Henchman
- David Gragg
- Water Park Parent
- Josh Heileman
- Police Officer
- Dalen Ryan Hill
- Waterpark Kid
- Morganne Kaster
- Concerned Mom
- Latoya Kaye
- Shopper / Protestor (uncredited)
- Dennis Kelley
- Ice Cream Patron
- Jami Kinton
- Ms. Deeter
- Andrew Kuebel
- Little League Baseball Player / Waterpark Kid (uncredited)
- Paul Kulis
- Bar Patron / Cult Member (uncredited)
- Daniel Lamont
- Birthday Party Parent / Cult Follower (uncredited)
- Scott Lockhart
- Step Dad / Wedding Guest (uncredited)
- Sean Manos
- Acolyte
- Gary A. Martin
- Ice Cream Patron
- Ryan D. Martin
- Police Officer
- Joe Maurer
- Bar Patron
- Kyle McCann
- Birthday Party Child / School Kid (uncredited)
- Christopher Mele
- Waterpark Dad
- David L. Monter
- Marathon Runner
- Joe Morales
- Person Praying
- Pauline Nowakowski
- Protester
- Devito Parker Jr.
- Party Kid
- Ellen Pepper
- Protester / Arguing Couple / Shopper (uncredited)
- Rene' Perez
- Wedding guest
- Roger Petan
- Willie the waterpark mascot / store looter (uncredited)
- Piero Pizzali
- Derby Spectator
- Brent Reichert
- Birthday Party Guest
- Ian Reichert
- Birthday Party Boy
- Samantha Reichert
- Birthday Party Girl
- Matt Reip
- Paramedic
- Matt Ridley
- Stepdad / Wedding Guest / Cult Member (uncredited)
- Mark Salas
- Shopper
- Brenda Sampson
- Cult Member
- Debbie Scaletta
- School Office Worker
- Ramona Schwalbach
- Protester / Cult Follower (uncredited)
- Gabrielle Sebben
- Ice Cream Shop Patron
- Shawna
- Water Park Patron
- Zayne Richard Simpson
- Cult Scene
- Rhondda Stark-Atlas
- Lady at Waterpark
- Elias Stimac
- Stoop Dweller
- Deon Stubbs
- Track Runner
- Michael Suglio
- Stepdad / Wedding Guest (uncredited)
- Jerry Sur
- Birthday Party Parent
- Branislav R. Tatalovic
- Wedding Guest
- Jessica Thomas
- Derby Spectator
- Shane Thompson
- Cult Follower
- Jerry Lee Tucker
- Police Officer #3
- John Vella
- Waterpark Guest / Cult Follower (uncredited)
- Kristephan Warren-Stevens
- Little League Coach / Water Park Guest (uncredited)
- Shannon Marie Watts
- Birthday Party Parent
- Lloyd Weema
- Dark Cult Follower
- Abby Weissberg
- Derby Spectator
- Mikaela Whaley
- Marathon Runner
- Matthew Wilks
- Adult at Party
- Chad Zumock
- Clown Parametric
