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TV Roles That Were Recast: Jason Di Laurentis, "Pretty Little Liars" - Played by Parker Bagley and Drew Van Acker

LEFT: PRETTY LITTLE LIARS - "If At First You Don't Succeed, Lie, Lie Again" - "A" turns up the heat when he/she tries to turn one Liar against another in "If At First You Don't Succeed, Lie, Lie Again," an all-new episode of ABC Family's hit original series "Pretty Little Liars" premiering Monday, January 31st (8:00 - 9:00 PM ET/PT). (Photo by Randy Holmes/ABC Family via Getty Images) PARKER BAGLEY

RIGHT: PRETTY LITTLE LIARS - Drew Van Acker stars as Jason DiLaurentis on ABC Family's "Pretty Little Liars." (ABC FAMILY/MATHIEU YOUNG)

Pretty Little Liars Stills