Sea Changeplay_arrow Watch Now Amazon Videobuy, rentFandango At HomebuyDramaTV MovieFantasy5859 Play Trailer Play Trailer Sea Change5859play_arrow Watch Now Amazon Videobuy, rentFandango At HomebuyDramaTV MovieFantasythumb_upthumb_downSea ChangeSeptember 17, 2017Directed byChris GrismerA teenage girl makes a startling discovery about her connection to the Seawalkers, legendary beings who are half-human, half-sea creature.US content warning Last Updated: November 7, 2025 Request Update CastEmily RuddMiranda MerchantKeenan TraceyTJSkyler MaxonLeoMaria DizziaAmeliaSarah PowerKit MorganSiobhan WilliamsGinnyGabriel HoganRamsayMalia RogersKateJordan JeremiahJakeBernard RobichaudBobby SeniorMatthew McIntyreDaveNaomi GaskinLeanne CooperLaura KohootNan CunninghamTaylor RussellCeceZoé De Grand MaisonNaomiTrailerSea Change (2017) (Trailer) Image Gallery RecommendedThe ExceptionMermaid DownFall in Love Like a StarStockholm, PennsylvaniaDangerous LiesFalling Inn LoveBombshellHavocSpectreCaptain America: Civil WarOppenheimerJokerZack Snyder's Justice LeagueBirds of Prey (and the Fantabulous Emancipation of One Harley Quinn)The Suicide Squad