The fourth season of ABC's "Once Upon a Time" began airing on September 28th, 2014, and concluded on May 10th, 2015.
Soon after Emma and Hook unwittingly bring Elsa of Arendelle to Storybrooke, they encounter the mysterious Snow Queen, whose relentless obsession with both Emma and Elsa has chilling consequences. Meanwhile, it appears Regina has at last found true love with Robin Hood, but how will she react when her happy ending is thwarted yet again by a maddening twist of fate? Then, a banished Rumplestiltskin enlists the Queens of Darkness (Maleficent, Ursula, Cruella De Vil) in an insidious scheme to rewrite their own stories and corrupt the Savior by turning her newly blissful heart pitch-black.
- Ginnifer Goodwin as Snow White
- Jennifer Morrison as Emma Swan
- Lana Parrilla as Regina Mills
- Josh Dallas as Prince Charming
- Emilie de Ravin as Belle
- Colin O'Donoghue as Captain Hook
- Jared S. Gilmore as Henry Mills
- Michael Socha as Will Scarlet
- Robert Carlyle as Rumplestiltskin