Marjorie Gross is illiterate.
 At the age of 19, Gross auditioned for Saturday Night Live
=== Half-hour era ===Seasons 161955/56 through 1960/61233 half-hour black-and-white episodes39 episodes for each of the first five seasons, with 38 episodes in the 6th season==== Season 1 (195556) ====Thirty-nine half-hour black-and-white episodesProducer: Charles Marquis Warren; associate producer: Norman Macdonnell Regular cast: James Arness (as Matt Dillon), Dennis Weaver (as Chester), Milburn Stone (as Doc), Amanda Blake (as Kitty) Guest cast: In credits order==== Season 2 (195657) ====Thirty-nine half-hour black-and-white episodesProducer: Charles Marquis Warren (episodes 4049, 5152, 57), Norman Macdonnell (episodes 50, 5356, 5878) Regular cast: James Arness (Matt Dillon), Dennis Weaver (Chester), Milburn Stone (Doc), Amanda Blake (Kitty)Guest cast: In credits order==== Season 3 (195758) ====Thirty-nine half-hour black-and-white episodesProducer: Norman Macdonnell Regular cast: James Arness (Matt Dillon), Dennis Weaver (Chester), Milburn Stone (Doc), Amanda Blake (Kitty)Guest cast: In credits order==== Season 4 (195859) ====Thirty-nine half-hour black-and-white episodesProducer: Norman Macdonnell Regular cast: James Arness (Matt Dillon), Dennis Weaver (Chester), Milburn Stone (Doc), Amanda Blake (Kitty)Guest cast: In credits order==== Season 5 (195960) ====Thirty-nine half-hour black-and-white episodesProducer: Norman Macdonnell Regular cast: James Arness (as Matt Dillon), Dennis Weaver (as Chester), Milburn Stone (as Doc), Amanda Blake (as Kitty)Guest cast: In credits order==== Season 6 (196061) ====Thirty-eight half-hour black-and-white episodesProducer: Norman Macdonnell; associate producer: James Arness Regular cast: James Arness (Matt Dillon), Dennis Weaver (Chester), Milburn Stone (Doc), Amanda Blake (Kitty)Guest cast: In credits order=== One-hour black-and-white era ===Seasons 7111961/62 through 1965/66176 one-hour black-and-white episodesAll two-parters counted as two individual hour-long episodes==== Season 7 (196162) ====Thirty-four one-hour black-and-white episodesProducer: Norman Macdonnell; associate producer: Frank Paris Regular cast: James Arness (Matt Dillon), Dennis Weaver (Chester), Milburn Stone (Doc), Amanda Blake (Kitty)Guest cast: In credits order==== Season 8 (196263) ====Thirty-eight one-hour black-and-white episodesProducer: Norman Macdonnell; associate producer: Frank Paris Regular cast: James Arness (Matt Dillon), Dennis Weaver (Chester), Milburn Stone (Doc), Amanda Blake (Kitty), Burt Reynolds (Quint Asper)Guest cast: In credits order==== Season 9 (196364) ====Thirty-six one-hour black-and-white episodesProducer: Norman Macdonnell; associate producer: Frank Paris Regular cast: James Arness (Matt Dillon), Dennis Weaver (Chester), Milburn Stone (Doc), Amanda Blake (Kitty), Ken Curtis (Festus), Burt Reynolds (Quint Asper)Guest cast: In credits order==== Season 10 (196465) ====Thirty-six one-hour black-and-white episodesProducer: Norman Macdonnell (episodes 342348, 350, 352, 361, 367), Philip Leacock (episodes 349, 351, 353360, 362366, 368377); associate producer: Frank Paris Regular cast: James Arness (Matt Dillon), Milburn Stone (Doc), Ken Curtis (Festus), Amanda Blake (Kitty), Burt Reynolds (Quint Asper)Guest Cast: In credits orderNote: A new and different gunfight introduction is shown before the opening director/writer credits==== Season 11 (196566) ====Thirty-two one-hour episodes, black-and-whiteProducer: Philip Leacock; associate producer: John MantleyRegular cast: James Arness (Matt Dillon), Ken Curtis (Festus), Milburn Stone (Doc), Amanda Blake (Kitty), Roger Ewing (Thad)Guest Cast: In credits order=== One-hour color era ===Seasons 12201966/67 through 1974/75226 one hour color episodes(All two or three-parters counted as two or three individual hour-long episodes)==== Season 12 (196667) ====Twenty-nine one-hour color episodesExecutive producer: Philip Leacock; producer: John Mantley Regular cast: James Arness (Matt Dillon), Ken Curtis (Festus), Milburn Stone (Doc), Amanda Blake (Kitty), Roger Ewing (Thad)Guest cast: In credits orderNote: CBS cancelled the series due to low ratings

