David Harbour Reacts to ‘Stranger Things’ Co-Star Sadie Sink Joining the MCU // TRAIN BRAIN

David Harbour Reacts to ‘Stranger Things’ Co-Star Sadie Sink Joining the MCU

David Harbour reacts to his 'Stranger Things' co-star, Sadie Sink, joining the MCU while chatting with ET's Cassie DiLaura at the Toronto International Film Festival premiere of his new movie, 'Evil Genius,' coming soon. The actor also opens up about his transformation for the new true crime thriller.
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