Martha MacIsaac, at exactly 5ft 2 ½ (158.8 cm), is a Canadian actress whose petite stature centrally defines her on-screen presence and casting appeal. Her compact height perfectly suited the family resemblance needed for her breakout role as Becca in Superbad, where she replaced a taller actress to fit seamlessly with co-stars. This physical match propelled her career, including standout performances in The Last House on the Left and Dead Before Dawn 3D, where her diminutive frame enhanced her versatile, relatable characters.