| 100% | TRUSCOTT | 8 | Fey __-Sade; undercover agent in Doctor Who comics |
| 42% | SLEEPER | 7 | Undercover agent in railway carriage |
| 41% | NARCO | 5 | Undercover agent, in slang |
| 40% | SANDRABULLOCK | 13 | "Speed" actress who played undercover FBI agent Gracie Hart in "Miss Congeniality": 2 wds. |
| 40% | DALEK | 5 | Robot in Doctor Who tales |
| 40% | MURIEL | 6 | __ Frost; Doctor Who comic strip character |
| 39% | ROZ | 3 | Raspy-voiced undercover agent in "Monsters, Inc." |
| 39% | LEELA | 5 | Tom Baker's companion in Doctor Who |
| 38% | MELODY | 6 | Birth name of River Song in Doctor Who |
| 38% | TARDIS | 6 | Vessel commanded by the timelord in Doctor Who |
| 38% | MANDRELS | 8 | Red-scaled predators from Eden in Doctor Who |
| 38% | ENT | 3 | Doctor who specializes in otorhinolaryngology: Abbr. |
| 38% | DALEK | 5 | Member of race created by Davros in Doctor Who |
| 38% | LEELA | 5 | One of Tom Baker's companions in Doctor Who |
| 38% | SURGEONS | 8 | Doctors who use scalpels in operating rooms |
| 38% | OBS | 3 | Doctors who specialize in childbirth, for short |
| 37% | SEUSS | 5 | Doctor who wrote The Cat in the Hat |
| 37% | SPY | 3 | Agent who goes undercover |
| 36% | HANKPYM | 7 | Doctor who turns into comic book superhero Ant-Man |
| 36% | LEARY | 5 | Doctor whom Nixon called "the most dangerous man in America" |
| 36% | LATVERIA | 8 | Nation ruled by Doctor Doom in Marvel Comics |
| 36% | SPY | 3 | Agent who might be undercover overseas |
| 35% | STRANGE | 7 | Doctor who enters the Multiverse of Madness in a 2022 film |
| 35% | LOCUM | 5 | A doctor who fills in for another's absence |
| 35% | BERNIEMAC | 9 | Comic who acted in "Ocean's Eleven" |
| 35% | DORIS | 5 | Comic actress Roberts who died in 2016 |
| 35% | DANECOOK | 8 | Comic who voiced Dusty Crophopper in "Planes" |
| 34% | TROUGHTON | 9 | Patrick, Doctor Who star who left the role in 1969 |
| 34% | ABSTRACTIONIST | 14 | Hazarding a guess: doctor who puts stomach muscles in pulleys? |
| 34% | CAPP | 4 | Comics fellow who hangs out in a pub |