Superheroine Silk Spectre II (Laurie Jupiter) in WatchmenWORKOUT PLAN
To prep for her first action movie, Malin Akerman
paired up with former Navy Seal Logan Hood
. The already slender actress "didn't need to make any drastic changes," Hood says. "She did a lot of her own action scenes so we focused on movement, strength and general stamina." Hood helped Akerman increase her endurance and strength with rowing, running and weight lifting.