Reprising their roles as a grumpy old man and his even grumpier, even older dad from the show’s U.S. premiere at Ogunquit Playhouse in Maine are Hal Linden, left, as Grandpa Gustafson and Mark Jacoby as his son John in La Mirada Theatre’s production of “Grumpy Old Men: The Musical.” Credit: Photo by Jason Niedle/La Mirada Theatre