RE ▁M . Sc ., ▁C . Eng . ▁M ASH RA E ▁Pass ive ▁C ool ing ▁Application ▁ ▁Further ▁reading ▁▁▁ ▁Ph ase ▁Change ▁Mat ters ▁( indust ry ▁blog ) ▁ ▁Category : Build ing ▁engineering ▁Category : Phys ical ▁chem istry ▁Category : S ust ain able ▁building <0x0A> </s> ▁This ▁is ▁a ▁list ▁of ▁characters ▁from ▁the ▁television ▁series ▁S aving ▁Grace , ▁which ▁premier ed ▁in ▁ 2 0 0 7 ▁on ▁T NT ▁in ▁the ▁United ▁States . ▁ ▁Primary ▁characters ▁Grace ▁Han ad ark o ▁( H olly ▁Hunter ): ▁Grace ▁is ▁an ▁Oklahoma ▁City ▁police ▁detect ive ▁who ▁has ▁a ▁hard - l iving , ▁hard - lo ving , ▁hard - dr inking ▁l ifest yle , ▁and ▁is ▁visited ▁by ▁an ▁ang el ▁trying ▁to ▁help ▁her ▁he al ▁from ▁her ▁past . ▁Earl ▁( Le on ▁R ipp y ): ▁the ▁last - ch ance ▁ang el ▁who ▁vis its ▁Grace . ▁ ▁Earl ▁is ▁a ▁fol ks y , ▁down - to - ear th ▁type ▁who ▁enjo ys ▁che wing ▁to b acco ▁and ▁collect ing ▁T - sh ir ts ▁from ▁his ▁many ▁global ▁ha un ts . ▁Hamilton ▁" H am " ▁De we y ▁( K en ny ▁Johnson ): ▁Grace ' s ▁police ▁partner ▁who ▁is ▁personally ▁and ▁phys ically ▁involved ▁with ▁her . ▁ ▁Ham ▁is ▁a ▁good - heart ed ▁gu y ▁with ▁very ▁passion ate ▁feelings , ▁but ▁sometimes ▁those ▁feelings ▁get