Originally from north of the border in Dartmouth, Nova Scotia, Canada, actor James Tupper was a veteran of at least 50 small theater productions before he finally caught his big break as the hunky Jack Slattery, a quiet fish and wildlife biologist with a history of bad romantic relationships on ABC’s “Men in Trees” (2006- ). The quirky drama starred Anne Heche as Marin Frist, a relationship expert who finds herself stranded in Alaska and surrounded by large quantities of men following a breakup with her unfaithful fiancé. A graduate of Prince Andrew High School, Tupper studied acting at