 On 4 October 1956, Garson appeared with Reginald Gardiner as the first two guest stars of the series in the premiere of NBC's "The Ford Show, Starring Tennessee Ernie Ford".She appeared as a mystery guest on "What's My Line" on 25 October 1953 and again on 6 April 1958 to promote her appearance on stage in "Auntie Mame".She also served as a panelist rather than a guest on the "What's My Line" episode which aired on 12 May 1957.