Patrick Dempsey Sheriff Eric Newlon Nell Verlaque Jessica Wright Addison Rae Gaby Ty Olsson Mitch Collins Gina Gershon Amanda Collins Lynne Griffin Grandma Karen Cliche Kathleen Rick Hoffman Thomas Wright Derek McGrath Mayor Cantin Katherine Trowell Mayor Cantin's Wife Jalen Thomas Brooks Bobby Mika Amonsen Lonnie Amanda Barker Lizzie Shailyn Griffin Amy Tim Dillon Manny Chris Sandiford Doug Tomaso Sanelli Evan Fletcher Jenna Warren Yulia Gabriel Davenport Scuba Milo Manheim Ryan James Goldman Scott Russell Yuen Detective Peter Chu Jeff Teravainen Deputy Bret Labelle Jordan Poole Jacob Joe Delfin McCarty Dorian Giordano Chad Hailey Kittle Student in Class Joe Bostick Customer Frank J. Zupancic Yulia’s Dad Alexander Elliot Kid at Party Neil Robles Lionel "The Mascot" Carlisle J. Williams Fireman Patrick Dempsey Sheriff Eric Newlon Nell Verlaque Jessica Wright Addison Rae Gaby Ty Olsson Mitch Collins Gina Gershon Amanda Collins Lynne Griffin Grandma Karen Cliche Kathleen Rick Hoffman Thomas Wright Derek McGrath Mayor Cantin Katherine Trowell Mayor Cantin's Wife Jalen Thomas Brooks Bobby Mika Amonsen Lonnie Amanda Barker Lizzie Shailyn Griffin Amy Tim Dillon Manny Chris Sandiford Doug Tomaso Sanelli Evan Fletcher Jenna Warren Yulia Gabriel Davenport Scuba Milo Manheim Ryan James Goldman Scott Russell Yuen Detective Peter Chu Jeff Teravainen Deputy Bret Labelle Jordan Poole Jacob Joe Delfin McCarty Dorian Giordano Chad Hailey Kittle Student in Class Joe Bostick Customer Frank J. Zupancic Yulia’s Dad Alexander Elliot Kid at Party Neil Robles Lionel "The Mascot" Shiloh O’Reilly Screaming Kid Carlisle J. Williams Fireman Adam MacDonald John Carver (voice) James Magwood Shopper (uncredited) Sylvain Plasse Detective (uncredited)