- Nick Offerman
- Sal
- Keith Poulson
- Max
- Jess Weixler
- Lyla
- Stephanie Hunt
- Clarissa
- Marshall Bell
- Lyla's Father
- Kate Lyn Sheil
- Ex-Wife
- Kevin Corrigan
- Memorial Man
- Jonathan Togo
- Adult Lyle
- Megan Mullally
- Therapist
- Anna Margaret Hollyman
- Paula
- Ted Beck
- Homeless Man
- Allison Latta
- Rachel
- Bob Schneider
- Wedding Singer
- Chris Doubek
- Farting Businessman
- Mike Wachs
- Car Rental Employee
- Josh Ashy Holden
- Wedding Guest #1
- Nick Holden
- Wedding Guest #2
- Margie Beegle
- You Guys Lady
- Josh Meyer
- You Guys' Ladys Son
- Bill Wise
- Caterer #1
- Jonny Mars
- Caterer #2
- Alex Ross Perry
- Pizza Customer #1
- Ian Graffunder
- Lyle Age 10
- Stephen Gurewitz
- Derek
- Barry Lacina
- Airport Bartender
- Alejandro Rose-Garcia
- Bus Boy #1
- Tabyana Ali
- Girl at the Birthday Party
- Caleb Barwick
- Boy at Birthday Party
- Cameron Beaton
- Heckler #2
- Colin Beaton
- Heckler #1
- David L. Benedict
- Bus Boy #1 / Patron
- Cheryl Bond Danks
- Steakhouse Patron / Wedding Guest
- Andrew Bujalski
- Ambulance Screen Doctor
- Angelique Chappell
- Resturant Patron / Hot Plate Customer
- Chad Charnas
- Mourner
- Chloë Evans
- Diner at Restaurant
- Brigid Flanagan
- 16-yr-Old Wedding Guest
- Christopher Garrett
- Morner
- Jacqueline Harper
- Featured Extra
- Mark Holliway
- Restaurant Patron
- Julio Lucero
- Bus Boy #2
- Caroline McNeil
- Wedding Guest
- G-Su Paek
- Chapstick Man
- Matt Parmenter
- Wedding Band Bass Player
- Haydee Rodriguez
- Maid
- Peggy Schott
- Disapproving lady
- Gary Teague
- Steakhouse Patron
- Manuel C Cruz
- Popcorn Guy
- Steve Jimenez
- Restaurant patron / police officer (uncredited)
- Kaelynn Wright
- Girl at Birthday Party
