estaur ant ▁ ▁Meg an ▁Gray ▁as ▁Emma ▁Jones ▁( season ▁ 6 ); ▁P ace y ▁and ▁Jack ' s ▁ro omm ate ▁and ▁wait ress ▁at ▁the ▁bar ▁Jo ey ▁begins ▁to ▁work ▁for ▁ ▁Roger ▁How arth ▁as ▁Professor ▁Greg ▁Het son ▁( season ▁ 6 ); ▁Jo ey ' s ▁non - con form ist ▁and ▁c yn ical ▁English ▁professor ▁ ▁Oliver ▁Hudson ▁as ▁Edd ie ▁Dol ing ▁( season ▁ 6 ); ▁a ▁college ▁student ▁and ▁Jo ey ' s ▁love ▁interest ▁for ▁the ▁season ▁ ▁Sebastian ▁Sp ence ▁as ▁Professor ▁Matt ▁Fre eman ▁( season ▁ 6 ); ▁a ▁professor ▁at ▁Boston ▁Bay ▁college ▁ ▁J ensen ▁A ck les ▁as ▁C . J . ▁( season ▁ 6 ); ▁Jen ' s ▁friend ▁and ▁later ▁boy friend ▁ ▁D ana ▁Ash bro ok ▁as ▁Rich ▁R inal di ▁( season ▁ 6 ); ▁a ▁r uth less ▁and ▁gre edy ▁stock bro ker ▁and ▁P ace y ' s ▁b oss ▁ ▁Bian ca ▁K aj lich ▁as ▁Nat asha ▁Kelly ▁( season ▁ 6 ); ▁a ▁br ash ▁film ▁actress ▁and ▁Daw son ' s ▁love ▁interest ▁ ▁M ika ▁Bo orem ▁as ▁Har ley ▁Het son ▁( season ▁ 6 ); ▁Professor ▁Het son ' s ▁head strong ▁daughter ▁ ▁Mur der d oll s ▁as ▁Th ems el ves ▁( mus ical ▁guest ), ▁( season ▁ 6 ) ▁episode : ▁" L iving ▁Dead ▁Girl " ▁ ▁Greg ▁R ika art