The 'Harry Potter' star plays an eccentric billionaire who kidnaps a reclusive author hoping she'll lead him to an ancient treasure. SUBSCRIBE to GMA's YouTube page: VISIT GMA's homepage: SIGN UP to get the daily GMA Wake-Up Newsletter: FOLLOW GMA: TikTok: @gma Facebook: Twitter: Instagram: WATCH full episodes: #GMA #DanielRadcliffe #TheLostCity #HarryPotter
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