Catherine Bell Cassie Nightingale Actor Bailee Madison Grace Actor James Denton Dr. Sam Radford Actor Catherine Disher Martha Actor Peter MacNeill George Actor Hannah Endicott-Douglas Lori Actor Noah Cappe Derek Actor Rhys Matthew Bond Nick Actor Marc Bendavid Actor Scott Cavalheiro Actor Sarah Power Actor Kylee Evans Actor Orly Adelson Executive Producer Jonathan Eskenas Executive Producer Frank Siracusa Executive Producer Craig Pryce Executive Producer Sue Tenney Executive Producer