As a former model-turned-prominent character actor, Ted McGinley graced screens both large and small, often as empty-headed jocks or smarmy heartthrobs with unseemly ulterior motives. Most active throughout the 1980s and 1990s, McGinley broke through as a high school coach and teacher on “Happy Days” (CBS/ABC, 1973-1984), then hopped aboard “The Love Boat” (ABC, 1977-1986) as the new cruise director during the show’s waning years, while in the feature world, he shined as the head of a jock fraternity in “Revenge of the Nerds” (1984). Despite occasional sojourns onto the silver screen,