Season One

Season One is the first season that premiered with The Mystery in September 2016 and ended with Happily Ever After Part 1 immediately followed by Happily Ever After Part 2 on February 24, 2017.

Starring

 * Ginnifer Goodwin as Snow White/Mary Margaret Blanchard
 * Jennifer Morrison as Emma Swan
 * Lana Parrilla as Regina Mills
 * Josh Dallas as Prince Charming/David Nolan
 * Emilie de Ravin as Belle French
 * Colin O'Donoghue as Hook
 * Jared S. Gilmore as Henry Mills
 * Rebecca Mader as Zelena
 * Robbie Kay as Peter Pan
 * Robert Carlyle as Mr. Gold

Guest Starring

 * Meghan Ory as Red Riding Hood/Ruby
 * Beverley Elliot as Granny
 * Jamie Chung as Mulan
 * Sarah Bolger as Aurora
 * Julian Morris as Prince Phillip
 * Lee Arenberg as Leroy
 * Eion Bailey as August Booth
 * JoAnna Garcia Swisher as Ariel
 * Sean Maguire as Robin Hood
 * Michael Socha as Will Scarlet
 * Emma Rigby as Anastasia
 * Anastasia Griffith as Abigail/Kathryn Nolan
 * Jessy Schram as Cinderella/Ashley Boyd
 * Tim Phillipps as Sean Herman
 * David Anders as Dr. Whale
 * Tony Amendola as Marco
 * Keegan Connor Tracy as Blue Fairy/Mother Superior
 * Barbara Hershey as Cora
 * Jaime Murray as Black Fairy
 * Kristin Bauer van Straten as Maleficent
 * Agnes Bruckner as Lily Page
 * Emma Caulfield as Blind Witch
 * Quinn Lord as Nicholas Zimmer
 * Karley Scott Collins as Ava Zimmer