On stage, Nixon portrayed Juliet in a 1988 New York Shakespeare Festival production of Romeo and Juliet, and acted in the workshop production of Wendy Wasserstein's Pulitzer Prize-winning The Heidi Chronicles, playing several characters after it came to Broadway in 1989. She was the guest star in the second episode of the long running NBC television series Law & Order. She played the role of an agoraphobic woman in a February 1993 episode of Murder, She Wrote, titled "Threshold of Fear".
oN sTage, nixoN pORtRayed juliet in a 1988 nEW york sHaKespeAre feSTivAl ProDUCTiOn of ROMeo AnD JulIeT, and acted iN tHe wOrKShoP productIon oF weNdy wAssersTein'S puLitzer pRiZE-winnIng ThE hEIdi cHROnicLEs, playing SeverAl charActers After IT came To BrOADway in 1989. sHe WAs the gueSt StAr in the sEcond epiSode of the long runNinG nbc teleVIsion SerIEs laW & OrdEr. she played THe Role of An agOraPHobiC WoMan iN a februaRY 1993 epiSode oF muRDeR, she Wrote, tITled "THrEsHold of Fear".