20 years after the first film, the cast and crew reminisce on the casting and filming process from the first Harry Potter movie. About HBO Max: HBO Max is WarnerBrosDiscovery’s direct-to-consumer offering with 10,000 hours of curated premium content. HBO Max offers powerhouse programming for everyone in the home, bringing together HBO, a robust slate of new original series, key third-party licensed programs and movies, and fan favorites from WarnerMedia’s rich library including Warner Bros., New Line, DC, CNN, TNT, TBS, truTV, Turner Classic Movies, Cartoon Network, Adult Swim, Crunchyroll, Rooster Teeth, Looney Tunes and more. #HBOMax #WarnerBrosDiscovery SUBSCRIBE TO HBO MAX http://bit.ly/HBOMaxYouTube GET HBO MAX https://itsh.bo/ways-to-get MORE HBO MAX HBO Max: https://hbom.ax/YT  Follow HBO Max on Instagram: http://bit.ly/HBOMaxInstagram Follow HBO Max on TikTok: https://hbom.ax/HBOMaxTT Follow HBO Max on Twitter: http://bit.ly/HBOMaxTwitter  Like HBO Max on Facebook: http://bit.ly/HBOMaxFacebook