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Michael Keaton and J.K. Simmons have jumped ship, opting not to take a trip to King Kong’s Skull Island.

EW can confirm that Keaton and Simmons are no longer set to star in Legendary’s Kong: Skull Island, though Tom Hiddleston remains attached to the film. Deadline, who cited scheduling conflicts as the reason for their departures, originally reported their exits.

Little is known about the plot of the film, but it was originally described as an “opportunity to take audiences deeper inside” the island home of King Kong. Nothing about Simmons, Keaton, or Hiddleston’s characters is known, however.

Kong: Skull Island, from director Jordan Vogt-Roberts and screenwriters John Gatins and Max Borenstein, is still scheduled for a March 10, 2017 release from Legendary and Universal.