John Cusack
Adam
Craig Robinson
Nick
Rob Corddry
Lou
Clark Duke
Jacob
Sebastian Stan
Blaine
Crispin Glover
Phil
Lyndsy Fonseca
Jennie
Lizzy Caplan
April
Collette Wolfe
Kelly
William Zabka
Rick
Chevy Chase
Repairman
Charlie McDermott
Chaz
Aliu Oyofo
Young Nick
Jake Rose
Young Adam
Brook Bennett
Young Lou
Jessica Paré
Tara
Kellee Stewart
Courtney
Julia Maxwell
Lucy
Geoff Gustafson
Dr. Jeff
Austin Warren
Nick's Band Member
Adam Sabla
Nick's Band Member
Jocelyn C. Waugh
Nick's Band Member
Curtis Santiago
Nick's Band Member
Ryan Guldemond
Nick's Band Member
Jeremy Page
Nick's Band Member
Anthony Dallas
Nick's Band Member
Odessa Rojen
Young Courtney
Viv Leacock
Courtney's Dad
Jamie Switch
Massive Cell Phone Guy
Chad Garner
"Poison" Tribute Band - Unskinny Bop
Donald MacDonald
"Poison" Tribute Band - Unskinny Bop
Chad MacDonald
"Poison" Tribute Band - Unskinny Bop
Anthony Pagni
"Poison" Tribute Band - Unskinny Bop
Michael Roberds
Manager
Daren A. Herbert
Receptionist
Megan Holmes
'Where's the Beef' Girl
Ecstasia Sanders
Girl at Club
Eddie Ruttle
Beer Luge Guy
Heathcliffe Scaddan
Beer Luge Guy
Peter Wilson
Beer Luge Guy
Brent Lister
Blaine's Crony
Lars Anderson
Blaine's Crony
Paul Dzenkiw
Blaine's Crony
Rhys Williams
Blaine's Crony
Amy Esterle
Hot Tub Girl
Natalia Dawn
Hot Tub Girl
Ava Leemet
Candy Girl
Willy Lavendel
Fancy Ski Guy
Crystal Tisiga
Fancy Ski Girl
Marie West
Winterfest Bartender
Josh Heald
Manager
Lynda Boyd
Adam's Secretary (uncredited)
Jacob Blair
Gunnar (uncredited)
Rob LaBelle
Stewart (uncredited)
Robert Wu
Mr. Wang (uncredited)
Thomas Lennon
Customer (uncredited)
Diora Baird
Rick's Wife (uncredited)
Luke Ryan
Hot Tub Bear (uncredited)
Eli Jane
Hot Tub Girl (uncredited)
Amber Hay
Vince Neil's Video Girl (uncredited)
Cole Carson
Guy in Kodiak Restroom (uncredited)
Keith Roenke
Kodiak Club Guy (uncredited)
Adrienne Rusk
Kodiak Club Girl (uncredited)