Watch the official “Up to Something” clip from Hallmark’s When Calls the Heart Season 12 Episode 8, created by Brian Bird and Michael Landon Jr. When Calls the Heart Cast: Erin Krakow, Chris McNally, Kevin McGarry, Martin Cummins, Jack Wagner, Pascale Hutton, Kavan Smith, Ben Rosenbaum, Amanda Wong, Jaeda Lily Miller, Andrea Brooks, Viv Leacock, and Natasha Burnett Watch When Calls the Heart Season 12 on Hallmark and stream on Hallmark +!