 A weekly American CBS radio version of this show was produced from  May 1952 until July 1953. The regular panelists  Dorothy Kilgallen (qv), Bennett Cerf (I) (qv),  Arlene Francis (qv) and Hal Block (qv), along with host  John Daly (I) (qv), premiered the radio version of their show on  Tuesday 20 May 1952, while still performing the Sunday telecast. The  debut mystery guest, in her only appearance on the show, was  Marlene Dietrich (qv). Marlon Brando (qv) made his only  appearance on the radio program that aired on 3 December 1952. The  radio show continued through the "Hal Block (qv) era" into the  "Steve Allen (I) (qv) era" while once moving its broadcast to  Wednesday. The finale was broadcast on 1 July 1953.