Anna Kendrick as Stephanie Smothers

Blake Lively as Emily Nelson

Henry Golding as Sean Townsend

Rupert Friend as Dennis Nylon

Linda Cardellini as Diana Hyland

Bashir Salahuddin as Detective Summervile

Danielle Bourgon as Grace, Stephanie's Mom

Kelly McCormack as Stacy

Andrew Rannells as Darren

Ian Ho as Nicky Nelson

Joshua Satine as Miles Smothers

Paul Jurewicz as Bobby Chelkowsky

Roger Dunn as Bruce Hargrave

Dustin Milligan as Chris

Eric Johnson as Davis

Jason Oliveira as Diego

Patti Harrison as Kiko

Ava LaFramboise as Lulu

Jean Smart as Margaret McLanden

Sarah Baker as Maryanne Chelkowsky

Glenda Braganza as Mrs. Kerry

Zach Smadu as Officer Blanco

Andrew Moodie as Sergeant Molloy

Aparna Nancherla as Sona

Gia Sandhu as Valerie

Melissa O'Neil as Beth

Jiah Mavji as Sona's Daughter

Lila Yee as Margaret

Sugenja Sri as Dennis Nylon Receptionist

Noorin Gulamgaus as Dennis Nylon Intern

Katherine Cullen as Dennis Nylon Assistant

Howard Hoover as Priest

Ronnie Rowe as Police Officer #1

Melody Johnson as Police Officer #2

Corinne Conley as Librarian

Olivia Sandoval as Ms. Prager

Nicole Peters as Hope (16 Years Old)

Lauren Peters as Faith (16 Years Old)

Umed Amin as Drugged Out Older Guy

Jamie Jones as Mr. McLanden

Lesleh Donaldson as Bus Tourist

Tina Legris as Tattoo Artist

Chris Owens as Detective

Geoffrey Antoine as Warfield Police Officer

Rosanna Scotto as TV Reporter #1

Lorene Stokes as TV Reporter #2

Stacey Coke as Lawyer

Jung-Yul Kim as SWAT Leader

Domenic Cina as Press #1

Julio Benitez Guardiola as Press #2

Debra Kaiser as Press #3

Carmen Araiza as Press #4

Michael Park Ingram as Press #5

Glen Brough as Press #6