<Table> <Tr> <Th colspan="2"> What 's My Line ? </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> Paul Alter ( 1957 - 61 ) </Td> </Tr> <Tr> <Th> Presented by </Th> <Td> John Daly ( 1950 -- 67 ) Wally Bruner ( 1968 -- 72 ) Larry Blyden ( 1972 -- 75 ) </Td> </Tr> <Tr> <Th> Starring </Th> <Td> Arlene Francis ( 1950 -- 75 ) Dorothy Kilgallen ( 1950 -- 65 ) Louis Untermeyer ( 1950 -- 51 ) Hal Block ( 1950 -- 53 ) Bennett Cerf ( 1951 -- 71 ) Steve Allen ( 1953 -- 54 ) Fred Allen ( 1954 -- 56 ) Martin Gabel ( semi-regular 1956 -- 67 ) Soupy Sales ( 1968 -- 75 ) </Td> </Tr> <Tr> <Th> Narrated by </Th> <Td> Lee Vines ( 1950 -- 55 ) Hal Simms ( 1955 -- 61 ) Ralph Paul ( 1961 ) Johnny Olson ( 1961 -- 72 ) Chet Gould ( 1973 -- 75 ) </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> No. of seasons </Th> <Td> 25 </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> CBS : 876 Syndication : 1,320 Total : 2,196 </Td> </Tr> <Tr> <Th colspan="2"> Production </Th> </Tr> <Tr> <Th> Producer ( s ) </Th> <Td> Mark Goodson Bill Todman </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 25 -- 29 minutes ( CBS ) 22 -- 23 minutes ( syndication ) </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> CBS Enterprises ( 1968 -- 71 ) Viacom Enterprises ( 1971 -- 75 ) </Td> </Tr> <Tr> <Th colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> CBS ( 1950 -- 67 ) Syndication ( 1968 -- 75 ) </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> Black - and - white ( 1950 -- 66 ) Color ( 1966 -- 75 ) </Td> </Tr> <Tr> <Th> Audio format </Th> <Td> Monaural </Td> </Tr> <Tr> <Th> Original release </Th> <Td> February 2 , 1950 -- September 3 , 1975 </Td> </Tr> <Tr> <Th colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> I 've Got a Secret To Tell The Truth </Td> </Tr> </Table>
who was the original host of what 's my line
John Daly