Arts & Entertainment

Tobey Maguire -- Peter Parker, "Spider-Man"

X-Men Origins: WolverineTobey MaguireSpider-Man (fictional character)
Height: 5'9" Weight: Unknown. But the actor had to bulk up significantly to play Spider-Man after having slimmed down to just 137 pounds to play jockey Red Pollard in "Seabiscuit." Heroic secret: To go from high school nerd to muscle-bound hero, Maguire underwent six months of six-day-a-... Merrick Morton / Columbia Pictures