Daniel Radcliffe The Dogwalker
John Cena Steven
Marisa Tomei The Dog Owner
Matthew Broderick Matthew Broderick
Brie Larson Kim
Tilda Swinton Dianna
Bill Hader Dr. Aaron Conners
Ezra Miller Donald
Pete Davidson Dr. Conners' Patient
Randall Park Bryson
Amy Schumer Writer, Amy Townsend, Co-Producer
Josh Segarra Staten Island Oli
Tim Meadows Tim
Rori Bergman Casting Associate
Rachel Feinstein Nurse Rachel
Nikki Glaser Lisa
Kevin Thompson Production Design, Vanity Fair Editor
Judd Apatow Director, Producer
Method Man Temembe
Jennifer Alex Nickason Assistant Set Decoration
Vanessa Bayer Nikki
Marcia C. Suter Scenic Artist
Claudia O'Doherty Wendy
Evan Brinkman Allister
LeBron James LeBron James
Daniela Ovi First Assistant Editor
George H. Anderson Supervising Sound Editor
Luciano Acuna Jr. Trampoline Dunker
Joshua H. Johnson Compositor
Richard Guinness Jr. Key Grip
Norman Lloyd Norman
Gayle Keller Location Casting
Jenna Dalla Riva Foley Recordist
Max Alexander Max the Wheelchair Orderly
Thom 'Coach' Ehle Dolby Consultant
Matthew Herington Walk of Shame (uncredited)
David B. Householter Executive Producer, Unit Production Manager
Andy Day Gaffer
Michael Kriaris Location Manager
Mark Robert Ellis Stunt Coordinator
Derric J. Stotts Trampoline Dunker
Colin Quinn Gordon Townsend
Leah O'Donnell Dancer
Nithya Shrinivasan Set Designer
Leslie Jones Angry Subway Patron
Jeffrey Lee Gibson Stunt Coordinator
Goro Koyama Foley Artist
Douglas Crosby Stunts
Mike Birbiglia Tom
Samantha Kreitzer Dyer Production Coordinator
Eric J. Robertson Visual Effects Supervisor
Mark DeSimone ADR Mixer
Aaron Vexler Stunts
Jon Glaser Schultz
Ajay Mehta Dr. Raj
Doris McCarthy Assisted Living Resident (uncredited)
Samantha MacIvor Stunt Double, Stunts
Matt Rebenkoff First Assistant Director
Bridget Everett Kat
Alan D'Angerio Hair Department Head
Joe Mancini Wiseguy (uncredited)
Declan Mulvey Stunts
Kevin Kane Kevin
Patrice Canfield Longo Set Dresser
Kim Caramele S'nuff Receptionist, Associate Producer
Teresa Kelly Canfield Set Dresser
Larry Kemp Dialogue Editor
Maya Hardinge Key Makeup Artist
Barry Mendel Producer
Stefan Sonnenfeld Digital Colorist
Dave Attell Noam
Andy Malcolm Foley Artist