Paul Greene, Aren Buchholz and Viv Leacock open up to ET’s Deidre Behar in a candid discussion about season 8 of ‘When Calls the Heart.’ Leacock shares what it’s been like as a new cast member on the long-running series and shares what fans can expect from his role as Joseph Canfield. Leacock also shares sweet sentiments about working opposite his real-life kids, Vienna and Elias. Buchholz teases his character, Jesse, is off to a rocky start with his wife, Clara. He also reveals if the couple plans to expand their family. As for Greene, his character, Carson, is also working on his relationship with nurse-turned-doctor, Faith. Greene also shares how he came to play music on the season 8 premiere and if fans can expect to see more musical moments throughout the season.