When Calls the Heart is a 2014 English-language Drama series developed by Michael Landon Jr. The show was Produced by Vicki Sotheran, Greg Malcolm and Lori Loughlin under the banner of Believe Pictures in collaboration with Brad Krevoy Television and Jordan Films. Elizabeth Thatcher, a young woman from a wealthy family, moves to the small town of Coal Valley to be the new teacher. As she struggles to adapt to living on the western frontier, she makes new friends including the local Mounted Police Officer, Jack Thornton. When calls the heart features Erin Krakow, Daniel Lissing, Lori Loughlin, Martin Cummins, Jack Wagner, Pascale Hutton and Clayton Chitty. The series is based on When Calls the Heart by Janette Oke. The series has a running time of 39-84 minutes for each episode. The show has a total of 107 episodes during it's run of 10 seasons. Elizabeth Thatcher, a young woman from a wealthy family, moves to the small town of Coal Valley to be the new teacher. As she struggles to adapt to living on the western frontier, she makes new friends including the local Mounted Police Officer, Jack Thornton.