<Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> I've Got a Secret To Tell The Truth </Td> </Tr> <P> What's My Line? is a panel game show that originally ran in the United States on the CBS Television Network from 1950 to 1967, with several international versions and subsequent U.S. revivals . The game requires celebrity panelists to question a contestant in order to determine his or her occupation, i.e., "line (of work)," with panelists occasionally being called on to identify a celebrity "mystery guest" with specificity . It is the longest - running U.S. primetime network television game - show . Moderated by John Daly and with panelists Dorothy Kilgallen, Arlene Francis, and Bennett Cerf, What's My Line? won three Emmy Awards for "Best Quiz or Audience Participation Show" in 1952, 1953, and 1958 and the Golden Globe for Best TV Show in 1962 . </P> <P> After its cancellation by CBS in 1967, it returned in syndication as a daily production, moderated originally by Wally Bruner and later by Larry Blyden, which ran from 1968 to 1975 . There have been several international versions, radio versions, and a live stage version . </P>

Who were the panelists on what's my line