Larry Hagman communicated by whistling on 'silent Sundays'
Larry Hagman refused to talk on Sundays and would communicate via whistling instead. The 'Dallas' star - who died in 2012 aged 81 - was remembered by co-stars including Patrick Duffy, Linda Gray and Joan Van Ark when they reunited in Palm Springs, California this week ahead of the show's 45th anniversary and the called Larry's "silent Sundays" which left many of them utterly baffled. Van Ark, 79, told PEOPLE: "The silent Sundays where he wouldn't talk. Oh boy," and Duffy added: "He wouldn't talk to anybody on Sundays." Gray went on to explain how Larry would communicate during his vow of silen...