Ben Falcone Marty Director, Actor, Screenwriter, Producer Melissa McCarthy Michelle Darnell Actor, Screenwriter, Producer Kristen Bell Claire Actor Peter Dinklage Renault Actor Ella Anderson Rachel Actor Tyler Labine Mike Beals Actor Kathy Bates Ida Marquette Actor Cecily Strong Dana Dandridge Actor Mary Sohn Jan Keller Actor Kristen Schaal Scout Leader Sandy Actor Eva Peterson Chrystal Actor Timothy Simons Stephan Actor Aleandra Newcomb Mariana Actor Annie Mumolo Helen Actor Presley Coley Hannah Actor Margo Martindale Sister Aluminata Actor Cedric Yarbrough Tito Actor Steve Mallory Screenwriter Will Ferrell Producer Adam McKay Producer Chris Henchy Producer Rob Cowan Executive Producer Kevin J. Messick Executive Producer Julio Macat Cinematographer Craig Alpert Film Editing Christopher Lennertz Original Music Rusty Smith Production Design Heather R. Dumas Art Director Amy McGary Set Decoration Wendy Chuck Costume Design Allison Jones Casting