What's My Line? Two Mystery Guests: columnist Suzy Knickerbocker; television host Ed Sullivan (4th appearance as mystery guest) (1950–1967) Online
- Original Title :
- Two Mystery Guests: columnist Suzy Knickerbocker; television host Ed Sullivan (4th appearance as mystery guest)
- Genre :
- TV Episode / Family / Game Show
- Year :
- 1950–1967
- Directror :
- Franklin Heller
- Cast :
- John Daly,Bennett Cerf,Dick Cavett
- Type :
- TV Episode
- Time :
- 30min
- Rating :
- 6.1/10
| Episode credited cast: | |||
 | John Daly | - | Himself - Moderator |
 | Bennett Cerf | - | Himself - Panelist |
| Rest of cast listed alphabetically: | |||
 | Dick Cavett | - | Himself - Panelist |
 | Arlene Francis | - | Herself - Panelist |
 | Aileen Mehle | - | Herself - Mystery Guest (as Suzy Knickerbocker) |
 | Phyllis Newman | - | Herself - Panelist |
| Johnny Olson | - | Himself - Announcer |
 | Ed Sullivan | - | Himself - Mystery Guest |