Adam Horowitz initially announced that the 2-part episode, \"Smash the Mirror\", would air at the earlier time of 7/6c and will be two hours long, however this was later contradicted by the official Prime Time schedule which stated that it would premiere in its usual spot of 8/7c, the official ABC press release for the episode and the Futon Critic also supported this start time. Horowitz later clarified via Twitter that the extra hour was in addition to the already announced 22 episodes. He also confirmed that the winter finale would air on December 14, 2014, and later confirmed that the show will return from winter hiatus on March 1, 2015. On March 15, 2015, Horowitz confirmed that the last 2 episodes of the season will form a 2-hour episode.
On July 1, 2014, it was announced that Scott Michael Foster and Elizabeth Lail had been cast as Frozen characters Kristoff and Anna, respectively. The following day, it was announced Georgina Haig had been cast as Elsa. On July 8, 2014, Elizabeth Mitchell was revealed to have been cast in an undisclosed role. It was later revealed that she would be playing an evil Snow Queen, much like the one from the original Hans Christian Andersen fairytale. The character would later be revealed to be Anna and Elsa's aunt Ingrid. A real reindeer was brought in to portray Sven. On July 28, 2014, Tyler Jacob Moore and John Rhys-Davies were both announced to be playing Prince Hans and Grand Pabbie, respectively. The third episode, \"Rocky Road\", revealed that the roles of two of Hans' brothers, Franz and Jurgen, had been given to Nils Hognestad and Marcus Rosner respectively.
On October 17, 2014, Rebecca Wisocky was revealed to have been cast as the con-artist Madam Faustina for the tenth episode, \"Shattered Sight\", while a few days later on October 22, David Paul Grove, Gabe Khouth, Michael Coleman, Mig Macario and Jeffrey Kaiser were confirmed to be returning as the remaining seven dwarves. On October 25, 2014, Ginnifer Goodwin revealed that Mary Margaret's and David's son, Neal Nolan, is portrayed by eight different babies, adding: \"I used to be like, 'babies look like babies.' And now that I have a baby, I'm like, how does the audience not notice that in every shot, this is a different kid\"
The season's first episode, \"A Tale of Two Sisters\" saw the return of Jason Burkart as Little John, who reprised his role in the sixth episode, and Raphael Alejandro as Roland who reprised the role in the third and sixth episodes, and introduced Pascale Hutton as the Queen of Arendelle, Anna and Elsa's mother, who reappeared in the seventh episode while the second episode, \"White Out\", introduced Robin Weigert as Bo Peep, and saw the return of Gabrielle Rose as Ruth, Prince Charming's mother. The fourth episode, \"The Apprentice\", introduced Timothy Webber as the Apprentice who reprised his role in the two-hour episode \"Smash the Mirror\", and the sixteenth episode, \"Best Laid Plans\". The fourth episode also saw the return of Brad Dourif as the previous Dark One, Zoso. The fifth episode, \"Breaking Glass\", saw the return of Abby Ross as a teenage Emma, who later also appeared in \"Shattered Sight\", \"Best Laid Plans\" and \"Lily\".
The sixth episode, \"Family Business\" saw the return of Eric Keenleyside as Maurice, Belle's father, and introduced Darcey Johnson as Oaken. The following episode, \"The Snow Queen\", saw the return of Jessy Schram as Ashley / Cinderella and Sarah Bolger as Aurora, and it also introduced Brighton Sharbino as a younger version of Elizabeth Mitchell's character, Ingrid, Ava Marie Telek as a younger version of Gerda, the Queen of Arendelle, Sally Pressman as Helga, Bailey Herbert as a young Helga, and Jonathan Runyon as a younger Duke of Weselton. The ninth episode, \"Fall\", saw the return of Charles Mesure as Black Beard. Patrick Fischler was cast in the recurring role of a Peddler initially named Gorin, who first appeared in \"Best Laid Plans\" where he was revealed to also be the Author.
During a second Q&A on December 15, 2014, Horowitz confirmed the return of Joanna Garcia Swisher as Ariel. On December 18, Eion Bailey was confirmed to be returning as August Booth / Pinocchio for \"multiple Season 4 episodes\", starting with the fourteenth episode, \"Enter the Dragon\". It was also revealed that Ernie Hudson had been cast as Poseidon, who is also Ursula's father, and Sebastian Roche as King Stefan. In February 2015, Rebecca Mader was confirmed to be returning as Wicked Witch of the West / Zelena  and Wil Traval was revealed to be returning as the Sheriff of Nottingham / Keith.
Agnes Bruckner was confirmed to appear in a three-episode arc in the role of an adult Lily, a friend of Emma from her childhood who was portrayed by Nicole Muñoz in the fifth episode, \"Breaking Glass\". On February 28, Horowitz confirmed the return of Barbara Hershey as Cora later in the season. The thirteenth episode, \"Unforgiven\", which aired on March 8, 2015, saw the return of Tony Amendola as Geppetto / Marco and Jakob Davies as young Pinocchio, his older counterpart Booth, portrayed by Bailey, was reintroduced in the following episode. The episode that aired on March 22, 2015, \"Poor Unfortunate Soul\", saw the return of Christopher Gauthier as William Smee and introduced Tiffany Boone as a younger version of Ursula. The following episode, \"Best Laid Plans\", saw the return of Barclay Hope as Lily's adoptive father.
The first half of the season used the tag-line \"#OnceIsFrozen\" for most of its run, and \"#ShatteredSight\" for the episodes \"Fall\" and \"Shattered Sight\". The second half of the season used the tag-line \"#QueensOfDarkness\" for most of its run, \"#Cruella\" for the episode \"Sympathy for the De Vil\", and \"#HeroesAndVillains\" for the season finale. 59ce067264