| Cast list | | Dan Fogler | as | Stu | | Michael Teigen | as | DJ | | Chiara Zanni | as | Katie | | Michelle Harrison | as | Anisha Carpenter | | Jessica Alba | as | Cam Wexler | | Dane Cook | as | Charlie/Chuck | | Jodelle Ferland | as | Lila Carpenter | | Crystal Lowe | as | Wedding Guest #1 | | Chelan Simmons | as | Carol | | Steve Bacic | as | Howard | | Troy Gentile | as | Young Stu | | Ben Ayres | as | Groomsman | | Carrie Fleming | as | Sharon Belmont | | Sasha Pieterse | as | Goth Girl | | Lindsay Maxwell | as | Cam's Friend | | Georgia Craig | as | Marilyn Blaine | | Agam Darshi | as | Wedding Guest #3 | | Tava Smiley | as | Nicole | | Simone Bailly | as | Megan | | Lonny Ross | as | Joe Wexler | | Liam James | as | Little Boy in Habitat | | Connor Price | as | Young Charlie | | Annie Wood | as | Lara | | Zara Taylor | as | Amanda | | Ellia English | as | Reba | | Victoria Bidewell | as | Sane Woman | | Caroline Ford | as | Jennifer | | Cody Klop | as | Teenage boy (voice) | | Mackenzie Mowat | as | Britta Carmichael | | June B. Wilde | as | Actress | | Ed Welch | as | Sharon's Man |
| | Crew list: | | Mark Helfrich (Director) | | Josh Stolberg (Writer) | | Steve Glenn (Writer) |
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