Gregory Go Boom

Michael Cera

Gregory

Sarah Burns

Rose

Brett Gelman

Tom

Anna Rose Hopkins

Summer / Cheyenne

G. Maximilian Zarou

Attendant

Holly Kaplan

Waitress

Stephanie Allynne

Willie

Mireya Lucio

Crystal

Nick Ortega

Carlos

Brett Gelman

Producer

Jory Weitz

Casting

Chris Scharffenberg

Art Direction

Josh Kurz

Post Production Supervisor

Tara Loren

Key Hair Stylist

Janicza Bravo

Writer, Producer, Editor, Director

Mairi Chisholm

Costume Design

Nathan Smith

Sound Re-Recording Mixer, Sound Mixer, Sound Designer

Daniel Kellison

Executive Producer

Doug DeLuca

Executive Producer

Heather Christian

Original Music Composer

Christian Sprenger

Cinematography

Cine Bravo

Editor

Rachael Ferrara

Production Design

Tom Boykin

Sound Re-Recording Mixer

Ryan Anthony Arakaki

Sound Effects Editor

Dustin Bowser

Visual Effects

Proletina Veltcheva

Key Costumer

Becca Weber

Assistant Makeup Artist, Assistant Hairstylist

Crystal Munson

Assistant Director