Happiest Season was an altogether joyful experience for Victor Garber.“It was more fun than I’ve had in a long time,” says the veteran actor, who describes the atmosphere on set as a “love fest.”For one thing, it reunited him with Clea DuVall, a friend since they appeared together in the 2012 Best Picture Oscar-winner Argo. “We had such a wonderful time on that movie.… We just bonded,” he says. “I found her to be funny and so smart.” DuVall emailed him and asked if he’d like to be part of Happiest Season, her second feature as a writer-director, and it was a no-brainer for him to sign on. “It just felt so natural to make this movie,” he says.Garber’s Happiest Season character, Ted, is the father of Harper (Mackenzie Davis), who’s home for.