▁in ▁ 2 0 0 3 ▁P ET A ▁named ▁him ▁the ▁Sex iest ▁Veg et arian ▁A live , ▁as ▁chosen ▁by ▁vot ers . ▁ ▁One ▁of ▁Hart nett ' s ▁next ▁films ▁was ▁the ▁ 2 0 0 6 ▁drama - m yst ery ▁The ▁Black ▁D ah lia , ▁in ▁which ▁he ▁played ▁a ▁detect ive ▁investig ating ▁the ▁not orious ▁real - life ▁murder ▁of ▁actress ▁Elizabeth ▁Short . ▁Hart nett ▁had ▁been ▁cast ▁in ▁the ▁role ▁five ▁years ▁before ▁the ▁film ▁was ▁produced , ▁remaining ▁committed ▁to ▁appearing ▁in ▁the ▁movie ▁because ▁he ▁liked ▁the ▁subject ▁matter . ▁ ▁Among ▁his ▁ 2 0 0 7 ▁roles ▁were ▁Res ur rect ing ▁the ▁Champ , ▁a ▁drama ▁also ▁st arring ▁Samuel ▁L . ▁Jackson , ▁and ▁the ▁graph ic ▁novel - based ▁ 3 0 ▁Days ▁of ▁Night , ▁in ▁which ▁he ▁played ▁a ▁small - town ▁sh er iff . ▁Hart nett ▁described ▁the ▁second ▁film ▁as ▁" super natural , ▁but ▁kind ▁of ▁a ▁western ". ▁He ▁was ▁going ▁to ▁play ▁tr ump et ▁player ▁Ch et ▁Baker ▁in ▁the ▁film ▁The ▁Prince ▁of ▁C ool , ▁but ▁did ▁not ▁agree ▁with ▁the ▁producer ' s ▁ideas ▁and ▁left ▁the ▁project . ▁ ▁In ▁ 2 0 0 8 , ▁Hart nett ▁played ▁Charlie ▁Bab bit ▁alongside ▁Adam ▁God ley ▁in ▁the ▁theatre ▁adaptation ▁of ▁Barry ▁Mor row ' s ▁Academy ▁Award - win ning ▁Rain ▁Man ▁at ▁the ▁Apol lo ▁Theatre ▁in ▁London '