| 100% | ALDA | 4 | Only actor to appear in every episode of "M*A*S*H" |
| 76% | ALDA | 4 | Only actor to appear in all 250+ episodes of "M*A*S*H" |
| 48% | EUGENELEVY | 10 | Only actor to appear in all eight "American Pie" films |
| 46% | ALDA | 4 | Actor in all M*A*S*H episodes |
| 44% | MARINER | 7 | Member of the only M.L.B. team never to have played in a World Series |
| 44% | ASLAN | 5 | Only character to appear in all of the Narnia chronicles |
| 43% | RAJ | 3 | One of five characters on "The Big Bang Theory" to appear in every episode |
| 42% | PAULSCHNEIDER | 13 | Actor who played the role of Mark Brendanawicz in "Parks and Recreation", a character that appeared only in the first two seasons: 2 wds. |
| 40% | SIG | 3 | Hansen, captain of the only vessel to have appeared in every season of "Deadliest Catch" |
| 39% | JIMMYCARTER | 11 | President who comedically appeared in a 1994 episode of "Home Improvement": 2 wds. |
| 39% | ALEX | 4 | ___ Lawther, British actor who appears in an episode of "Black Mirror" |
| 39% | HAMM | 4 | Jon ___, American actor who appears in an episode of "Black Mirror" |
| 39% | RAFE | 4 | ___ Spall, British actor who appears in an episode of "Black Mirror" |
| 39% | BARACKOBAMA | 11 | President who comedically appeared in a 2007 episode of "Saturday Night Live": 2 wds. |
| 38% | RAISIN | 6 | Agatha —, fictional creation of M C Beaton who first appeared in a 1992 mystery novel |
| 38% | STREISAND | 9 | Only artist to have a #1 album in every decade since the 1960s |
| 38% | MARINERS | 8 | Only M.L.B. team never to have played in a World Series |
| 38% | NORM | 4 | Only patron on "Cheers" to appear in all 275 episodes |
| 38% | RICHARDNIXON | 12 | President who comedically appeared in a 1968 episode of "Rowan & Martin's Laugh-In: 2 wds. |
| 37% | RADAR | 5 | Only regular "M*A*S*H" character played by the same actor in both the film and TV series |
| 37% | ITS | 3 | "The ___ Man", who appeared at the start of each Monty Python's Flying Circus episode only to be cut off after a single word |
| 37% | COLDOPEN | 8 | Start of each "S.N.L." episode ... or a hint to the initials of the words in 17-, 24-, 35- and 47-Across |
| 37% | AMEN | 4 | "Goodbye, Farewell and ___" (final episode of "M*A*S*H") |
| 37% | AMEN | 4 | "Goodbye, Farewell and ___" (last episode of "M*A*S*H") |
| 37% | ALANALDA | 8 | Played Hawkeye in TV version of M*A*S*H |
| 36% | EAST | 4 | Only cardinal direction that does not appear in the name of a U.S. state |
| 36% | ADFEE | 5 | Charge to appear in a magazine |
| 36% | ALOU | 4 | Surname of the only M.L.B. brother trio to play together in the outfield |
| 36% | TWOSTATESOLUTION | 16 | Topic of international negotiations ... and a hint to every four-letter answer in this puzzle |
| 36% | ALDA | 4 | Alan who directed the final episode of "M*A*S*H" |