▁" Sam " ▁Walker : ▁Henry ' s ▁son ▁and ▁Meg ' s ▁good ▁friend ▁who ▁becomes ▁a ▁rom antic ▁interest ▁in ▁Season ▁ 3 . ▁ ▁Van essa ▁L eng ies ▁as ▁Ro x anne ▁Bo jar ski : ▁Meg ' s ▁best ▁friend ▁who ▁has ▁a ▁kn ack ▁for ▁getting ▁herself ▁into ▁trouble . ▁She ▁d ances ▁on ▁American ▁Band stand ▁with ▁Meg . ▁ ▁Rach el ▁Boston ▁as ▁Elizabeth ▁" B eth " ▁Mason - P ry or : ▁J J ' s ▁girl friend , ▁whom ▁he ▁mar ries ▁in ▁the ▁third ▁season ▁after ▁returning ▁from ▁Vietnam . ▁They ▁have ▁an ▁infant ▁son ▁" T rip ". ▁ ▁Rec urr ing ▁ ▁Matthew ▁John ▁Arm strong ▁as ▁P ete ▁P ry or : ▁Jack ' s ▁younger ▁brother , ▁an ▁officer ▁with ▁the ▁Philadelphia ▁Police ▁Department . ▁He ▁is ▁assigned ▁to ▁the ▁Columbia ▁Avenue ▁P rec inct ▁in ▁North ▁Philadelphia , ▁a ▁prec inct ▁which ▁includes ▁the ▁Walk ers ' ▁home ▁and ▁the ▁P ry ors ' ▁second ▁store . ▁He ▁is ▁add icted ▁to ▁alco hol ▁and ▁g amb ling . ▁Al most ▁married ▁in ▁Season ▁ 2 ▁to ▁Nancy ▁( H elen ' s ▁cow ork er ▁and ▁friend ), ▁but ▁calls ▁off ▁the ▁wed ding ▁at ▁the ▁last ▁minute . ▁ ▁Christopher ▁C ous ins ▁as ▁The odore ▁" T ed " ▁P ry or : ▁Jack ▁and ▁P ete ' s ▁older ▁brother , ▁a ▁successful ▁business man ▁who ▁has ▁a ▁stra ined ▁and ▁distant