); ▁the ▁daughter ▁of ▁Princi pal ▁Green ▁ ▁Jonathan ▁Lip nick i ▁as ▁B uzz ▁Thompson ▁( season ▁ 3 ); ▁a ▁neglect ed ▁child ▁whom ▁P ace y ▁takes ▁under ▁his ▁wing ▁ ▁Carol yn ▁H ennes y ▁as ▁Mrs . ▁Valent ine ▁( season ▁ 4 ); ▁the ▁owner ▁of ▁Cap es ide ' s ▁Y acht ▁Club , ▁Dr ue ' s ▁sn obb ish ▁mother , ▁and ▁Jo ey ' s ▁har sh ▁b oss ▁ ▁Mark ▁Mat ke v ich ▁as ▁Dr ue ▁Valent ine ▁( season ▁ 4 ); ▁Jen ' s ▁former ▁friend ▁from ▁New ▁York ▁ ▁Har ve ▁Pres nell ▁as ▁Arthur ▁" A . I ." ▁Bro oks ▁( season ▁ 4 ); ▁a ▁cr ouch y ▁retired ▁film ▁director ▁whom ▁Daw son ▁adm ires ▁ ▁Harry ▁She ar er ▁as ▁Princi pal ▁P esk in ▁( season ▁ 4 ); ▁Cap es ide ▁High ' s ▁pom p ous ▁principal ▁ ▁David ▁Mon ah an ▁as ▁Tob ey ▁Bar ret ▁( season ▁ 4 – 5 ); ▁Jack ' s ▁love ▁interest ▁ ▁Jane ▁Lyn ch ▁as ▁Mrs . ▁W itter ▁( season ▁ 4 ); ▁P ace y ' s ▁trouble d ▁and ▁sub serv ient ▁mother ▁ ▁Ken ▁Mar ino ▁as ▁Professor ▁David ▁W ilder ▁( season ▁ 5 ); ▁an ▁English ▁college ▁professor ▁and ▁Jo ey ' s ▁cas ual ▁love ▁interest ▁ ▁N icole ▁Bilder back ▁as ▁He ather ▁T racy ▁( season ▁ 5 – 6 ); ▁Daw