After Once Upon a Time in Wonderland ends, Socha, who plays the Knave of Hearts, is set to join the flagship as a series regular for the upcoming fourth season, TVGuide.com has confirmed.
Last week, ABC announced that Wonderland had been canceled after just one season. Though Once has not yet been renewed, it is expected to return, which is when Socha's status will become official. Entertainment Weekly first reported the news.
Though Socha was a series regular on Wonderland, he first appeared in Once's Storybrooke, where his character actually owns property.
Once Upon a Time in Wonderland's series finale airs Thursday at 8/7c on ABC.