- Joel Murray
- Frank
- Tara Lynne Barr
- Roxy
- Melinda Page Hamilton
- Alison
- Mackenzie Brooke Smith
- Ava
- Rich McDonald
- Brad
- Maddie Hasson
- Chloe
- Larry Miller
- Chloe's Dad
- Dorie Barton
- Chloe's Mom
- Travis Wester
- Ed
- Lauren Benz Phillips
- Donna
- Guerrin Gardner
- Tampon-Throwing Tuff Gurl
- Kellie Ramdhanie
- Melissa Tuff Gurl
- Aris Alvarado
- Steven Clark
- Romeo Brown
- John Tyler
- Sandra Vergara
- American Superstarz Judge
- Jamie Harris
- American Superstarz Judge
- Alexie Gilmore
- Morning Show Host
- James McAndrew
- Morning Show Host
- Brendalyn Richard
- Karen
- Geoff Pierson
- Frank's Boss
- Tom Kenny
- Office Staff
- Eliza Coyle
- Office Staff
- Jill Talley
- Office Staff
- Joe Liss
- Office Staff
- Bryce Johnson
- Co-Worker
- Cameron Denny
- Office Worker
- Scot Zeller
- Ronald
- Danny Geter
- Mutual of Onodaga Security Guard
- Dan Spencer
- Doctor
- Leslie Noble
- Medical Building Woman
- Regan Burns
- Michael Fuller
- Bruce Nozick
- TMI Host
- Orson Oblowitz
- TMI Flunky
- Frank Conniff
- Stan Kurtz
- Tom Lenk
- Party Planner #1
- Jack Plotnick
- Party Planner #2
- Morgan Murphy
- Fast Food Employee
- Gilland Jones
- Girl Who Gets Shot in Movie Theater
- Naomi Glick
- Kimberly Black
- Jacob DeMonte-Finn
- Boy Who Gets Shot in Movie Theater #1
- Carson Aune
- Boy Who Gets Shot in Movie Theater #2
- Toby Huss
- Man with Cell Phone Who Gets Shot
- Christopher Allen Nelson
- Trooper
- Iris Almario
- Sophia Milo
- Tony V.
- Pancake Eating Pedophile
- Mo Gaffney
- Singing Waitress
- Andrea Harper
- Roxy's Mother
- David Mendenhall
- Roxy's Father
- Steve Agee
- American Superstarz Crew Member
- Christopher Doyle
- American Superstarz Security Guard Who Gets Shot
- Kirk Bovill
- Police Captain
- Michael Carbonaro
- Robbie Barkley
- Philip Anthony Traylor
- American Superstarz Backdoor Security Guard
- Paul Eliopoulos
- Reverend Goran
- Mike Tristano
- Shady Gun Dealer
- Lon Gowan
- Guy Who Runs in the Audience and Gets Shot
- Daniel Lee Everson
- Guy
- Samantha Droke
- Ashylee Chloe's BFF
- James Rustin
- Skylar Chloe's Other BFF
- Nathan Kim
- Dancer
- Zuzana Lova
- Dancer
- Hunter Hamilton
- Dancer
- Suze Q
- Dancer
- Brad Rowe
- Angry Tea Bagger
- Nate Scholz
- Paparazzi
- Juliana Acosta
- Press Conference Reporter
- Fileena Bahris
- American Superstarz Fan
- Ellen Baker
- PR Rep for Pop Stars
- I. Elijah Baughman
- Bodyguard
- David Boat
- (voice) (uncredited)
- Claude Bragg
- Rich High School Kid
- Aaron Burt
- Jerky Boy #2
- Andrea Calabrese
- Innocent Victim in Audience
- Kyle A. Carrozza
- American Superstarz Guitarist
- Travis Chesney
- American Superstarz Fan
- James Darling
- Press Conference Cameraman
- Curt Darwin
- Extra
- Sarah B. Downey
- Office Worker
- Joe Ford
- Extra
- Jon Gormley
- Popular Friend
- Alana Gospodnetich
- Baton Twirler
- Frederick Gourgue
- TMI Camera man
- Lynn Haro
- Waitress
- D'Janine King-Lasky
- Bloody Audience Member
- Brittany Lasky
- Extra
- Melissa LeEllen
- American Superstarz Fan
- Tommy Shayne Manfredi
- Southern Baptist Protester
- Montgomery Markland
- American Superstar Crewmember
- Daniel Mars
- Office Employee
- Tom Massmann
- Bodyguard
- Kat McPhee
- Bloody Audience Member
- David Jason Perez
- Rejected Boy
- Lenny Porterfield
- Security Guard
- Jennifer Powers
- Average Student
- Mike Jerome Putnam
- Shooter and Police Officetr
- Maico Roa
- Press Conference Reporter
- Claudia Serven
- American Superstarz Celebrity
- Keith Shawn
- Fan
- Patrick Stalinski
- Restaurant Patron
- Nevan Stewart
- Standing Cameraman
- Sasha Stuber
- Female Jogger
- Christopher Swank
- Office Worker
- William P. Szczech
- Man in Hallway
- Victor Taylor
- American Superstarz Fan
- Charles Whitman
- Self
- Dustin York
- Baptist Protester
