Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.
| Title | What's My Line? |
|---|---|
| Subtitle Available |
 ETC.
|
| Alternative Titles | ホワッツ・マイライン |
| First Air Date | 1950-02-02 |
| Last Air Date | 1967-09-03 |
| Number of Episodes | 876 |
| Number of Seasons | 1 |
| Genres | Family, Comedy, |
| Networks | CBS, |
| Casts | John Charles Daly |
| Plot Keywords | , |
Self - Moderator
John Charles Daly
