LOS ANGELES (Variety.com) - In a surprise box office victory, STX?s ?The Upside? doubled expectations with its $19.5 million debut, enough to defeat ?Aquaman?s? three-week reign in North America. FILE PHOTO: Actor Bryan Cranston arrives at the premiere of the film "The Upside" at Toronto International Film Festival (TIFF) in Toronto, September 8, 2017. REUTERS/Fred Thornhill Bryan Cranston and Kevin Hart co-star in ?The Upside,? which marks the studio?s first No. 1 opening.