▁Award ▁for ▁Best ▁D rama ▁Series , ▁and ▁a ▁Pe ab ody ▁Award . ▁ ▁Cast ▁ ▁Main ▁cast ▁ ▁Jon ▁Hamm ▁as ▁Don ▁Dra per ▁( 1 3 ▁episodes ) ▁ ▁Elisabeth ▁M oss ▁as ▁Peg gy ▁Ol son ▁( 1 3 ▁episodes ) ▁ ▁Vincent ▁K art he iser ▁as ▁P ete ▁Campbell ▁( 1 2 ▁episodes ) ▁ ▁January ▁Jones ▁as ▁Betty ▁Dra per ▁( 1 3 ▁episodes ) ▁ ▁Christ ina ▁Hend r icks ▁as ▁Joan ▁H ollow ay ▁( 1 2 ▁episodes ) ▁ ▁Bry an ▁Batt ▁as ▁Salv atore ▁Rom ano ▁( 1 3 ▁episodes ) ▁ ▁Michael ▁Glad is ▁as ▁Paul ▁Kin sey ▁( 1 3 ▁episodes ) ▁ ▁A aron ▁Stat on ▁as ▁Ken ▁Cos gro ve ▁( 1 3 ▁episodes ) ▁ ▁Rich ▁Sommer ▁as ▁Harry ▁C rane ▁( 1 3 ▁episodes ) ▁ ▁Mag gie ▁S iff ▁as ▁Rach el ▁Men ken ▁( 7 ▁episodes ) ▁ ▁Rec urr ing ▁cast ▁ ▁Plot ▁ ▁The ▁first ▁season ▁opens ▁in ▁March ▁ 1 9 6 0 , ▁as ▁genius ▁advert ising ▁executive ▁Donald ▁" Don " ▁Dra per ▁meets ▁Peg gy ▁Ol son , ▁his ▁new ▁secretary . ▁They ▁both ▁work ▁at ▁the ▁small ▁but ▁pr estig ious ▁ag ency ▁Ster ling ▁Cooper . ▁Though ▁Don ▁is ▁wel coming ▁towards ▁her , ▁Peg gy ▁is ▁subject ▁to ▁pass ive - ag gress ive ▁host ility ▁from ▁office ▁manager ▁Joan ▁H ollow ay ▁and ▁sexual ▁har ass ment ▁from ▁her ▁male ▁colle agues . ▁Junior