▁the ▁exp ense ▁account . ▁Eric ▁McC orm ack ▁– ▁Mason ▁Mc Gu ire , ▁the ▁firm ' s ▁newly ▁promoted ▁Creative ▁Director ▁and ▁stra it la ced ▁family ▁man . ▁Mason ' s ▁level head ed ▁nature ▁often ▁counter act s ▁Con ner ' s ▁un predict able ▁behavior ▁even ▁though ▁Mason ▁is ▁highly ▁ne uro t ic . ▁He ▁works ▁well ▁with ▁Con ner ▁because ▁of ▁their ▁work ▁eth ic ▁but ▁he ▁has ▁work ah ol ic ▁t endencies ▁that ▁affect ▁his ▁marriage . ▁Geoff rey ▁Ar end ▁– ▁H ector ▁C ull igan , ▁one ▁of ▁the ▁firm ' s ▁ideal istic ▁young ▁ad ▁men ▁who ▁shares ▁office ▁space ▁with ▁colle ague ▁and ▁best ▁friend ▁Mike , ▁with ▁whom ▁he ▁used ▁to ▁play ▁X box ▁games . ▁H ector ▁is ▁known ▁for ▁celebr ity ▁imp erson ations . ▁Sarah ▁Clar ke ▁– ▁Er in ▁Mc Gu ire , ▁Mason ' s ▁wife ▁and ▁mother ▁to ▁their ▁son ▁and ▁daughter . ▁She ▁toler ates ▁Mason ' s ▁work ah ol ic ▁t endencies . ▁Mike ▁Dam us ▁– ▁Tom ▁Full er , ▁H ector ' s ▁colle ague ▁and ▁one ▁half ▁of ▁their ▁team . ▁He ▁has ▁been ▁d ating ▁someone ▁in ▁their ▁company . ▁Griff in ▁Dun ne ▁– ▁Tony ▁M ink , ▁the ▁firm ' s ▁b oss ▁who ▁had ▁a ▁t endency ▁to ▁break ▁promises ▁in ▁the ▁w ake ▁of ▁business , ▁but ▁still ▁maintain s ▁a ▁health y ▁relationship ▁with ▁his ▁employees , ▁primarily ▁Mason . ▁Mon