Mark es un personaje de ficción interpretado por Russell Johnson en la serie de televisión Roseanne.
Cuando se emitio el primer episodio en el que aparece, titulado Sherwood Schwartz--A Loving Tribute (temporada 7), tenia 70 años.
Aparece en 1 episodios de un total de 230 episodios emitidos
Episodios 1
Sherwood Schwartz--A Loving Tribute
episodio S7.E25 mayo 1995David announces to the Conners that he wants to spend a month in Europe after graduation, but Darlene selfishly pressures him out of it. Dan starts working on building his boat again, but Roseanne insists that they can't afford it, and makes fun of his dream, launching into a fantasy where she and her family play the castaways on La isla de Gilligan (1963). Cast members from La isla de Gilligan (1963) cameo as members of the Conner family.