Returning cast from the film (in alphabetical order) •
Elizabeth Banks as Lindsay •
H. Jon Benjamin as Mitch/Can of Mixed Vegetables •
Michael Ian Black as McKinley •
Bradley Cooper as Ben •
Judah Friedlander as Ron Von Kleinenstein •
Janeane Garofalo as Beth • Nina Hellman as Nancy •
Joe Lo Truglio as Neil •
Ken Marino as Victor •
Christopher Meloni as Gene Jenkinson/Jonas Jurgenson •
A. D. Miles as Gary •
Marguerite Moreau as Katie •
Zak Orth as J.J. •
David Hyde Pierce as Assoc. Prof. Henry Neumann •
Amy Poehler as Susie •
Paul Rudd as Andy •
Marisa Ryan as Abby •
Molly Shannon as Gail •
Michael Showalter as Coop • Showalter also portrays U.S. President
Ronald Reagan •
Kevin Sussman as Steve
New cast •
Jason Schwartzman as Greg, Boys' Head Counselor •
Lake Bell as Donna Berman, Coop's love interest • David Bloom as Kevin, a kid at the camp •
Thomas Barbusca as Drew, Kevin's nemesis • George Dalton as Arty "The Beekeeper" Solomon •
Samm Levine as the voice of Arty •
Michael Blaiklock as Danny •
David Wain as Yaron, an
Israeli counselor •
John Slattery as Claude Dumet, a renowned Broadway actor-director •
Michaela Watkins as Rhonda, a professional choreographer •
Josh Charles as Blake, Camp Tigerclaw counselor and Katie's boyfriend •
Rich Sommer as Graham, one of Blake's cronies •
Eric Nenninger as Warner, one of Blake's cronies • Hailey Sole as Amy, Kevin's love interest •
Chris Pine as Eric, a reclusive musician •
Jon Hamm as The Falcon, a hired assassin •
Randall Park as Jeff, a city hall records clerk who's in love with Gail •
Michael Cera as Jim Stansel, Beth and Greg's lawyer •
Kristen Wiig as Courtney, a snobby Camp Tigerclaw counselor
Guest appearances •
Jordan Peele as Alan, Lindsay's boss •
Paul Scheer as Dave, Lindsay's colleague •
Jayma Mays as Jessica, Lindsay's colleague •
"Weird Al" Yankovic as Jackie Brazen, a famous hypnotist •
Beth Dover as Shari, Neil's high school sweetheart •
John Early as Logan St. Bogan •
Bruce Greenwood as Bill Martinson, powerful lawyer •
Rob Huebel as Brodfard Gilroy, Henry's rival •
Richard Schiff as Dean Fairchild, Henry's superior ==Episodes==