Prior to emerging onto the Hollywood scene as the reptilian leader of the Sleestaks in “Land of the Lost” (2009), character actor John Boylan had established himself as a well-known and respected performer in his native Canada. For over three decades, he was a near-constant presence in Canadian films and television shows, including several prominent cult classics like David Cronenberg’s classic sex-horror epic “Rabid” (1977). Despite his late prominence in the United States, Boylan was a steady, but unfamiliar presence on American television, appearing in a series of small screen movies and