| Jack of old western films | 25 |
| Jack of old Westerns | 20 |
| Jack of rhyme | 13 |
| Jack of rhyme and his wife | 26 |
| Jack of silent westerns | 23 |
| Jack of Tenacious D | 19 |
| Jack of the 1970s-'80s Steelers | 35 |
| Jack of the silents | 19 |
| Jack of Tom Clancy novels | 25 |
| Jack of trumps, in euchre | 25 |
| Jack of TV | 10 |
| Jack of TV fame | 15 |
| Jack of TV's "Easy Street" | 40 |
| Jack of TV's "The Dakotas" | 40 |
| Jack of Westerns | 16 |
| Jack on "24" | 22 |
| Jack on "30 Rock" | 27 |
| Jack on the stereo | 18 |
| Jack or 10 | 10 |
| Jack or ace | 11 |
| Jack or chase | 13 |
| Jack or Clifton | 15 |
| Jack or David | 13 |
| Jack or forklift | 16 |
| Jack or Ike, once | 17 |
| Jack or jenny | 13 |
| Jack or Jill, e.g. | 18 |
| Jack or Josephus | 16 |
| Jack or Julie | 13 |
| Jack or king | 12 |
| Jack or queen | 13 |
| Jack or Robert | 14 |
| Jack or Spud | 12 |
| Jack or ten | 11 |
| Jack or Tim of films | 20 |
| Jack Paar catchphrase | 21 |
| Jack Paar signature line | 24 |
| Jack Paar's "___ You Not" | 39 |
| Jack Palance film of '91 | 28 |
| Jack preceder | 13 |
| Jack protrayer of "30 Rock" | 37 |
| Jack rabbit | 11 |
| Jack rabbit's long features | 31 |
| Jack rabbit, actually | 21 |
| Jack rabbit, e.g. | 17 |
| Jack rabbit, in reality | 23 |
| Jack Reacher portrayer | 22 |
| Jack regarded as an object of devotion | 38 |
| Jack roll | 9 |
| Jack Ruby victim | 16 |
| Jack Russell and others | 23 |
| Jack Russell or wirehair | 24 |
| Jack Russell sounds | 19 |
| Jack Russell terrier on "Frasier" | 43 |
| Jack Russell's appreciation | 31 |
| Jack Russells, e.g. | 19 |
| Jack Russells, for example | 26 |
| Jack Ryan creator | 17 |
| Jack Ryan employer | 18 |
| Jack Ryan's employer (Abbr.) | 32 |
| Jack Ryan's org. | 20 |
| Jack Ryan, e.g. | 15 |
| Jack shoplifting? | 17 |
| Jack Sparrow et al. | 19 |
| Jack Sparrow's crew | 23 |
| Jack Sparrow's favorite dinner | 34 |
| Jack Sparrow's portrayer on film | 36 |
| Jack Sparrow's vessel | 25 |
| Jack Sparrow, e.g. | 18 |
| Jack Sparrow, for one | 21 |
| JACK Sprat | 10 |
| Jack Sprat no-no | 16 |
| Jack Sprat's choice | 23 |
| Jack Sprat's diet | 21 |
| Jack Sprat's dietary restriction | 36 |
| Jack Sprat's fare | 21 |
| Jack Sprat's menu | 21 |
| Jack Sprat's need | 21 |
| Jack Sprat's no-no | 22 |
| Jack Sprat's preference | 27 |
| Jack Sprat's requirement | 28 |
| Jack Sprat's restriction | 28 |
| Jack Sprat's rule | 21 |
| Jack Sprat's taboo | 22 |
| Jack Sprat, perhaps | 19 |
| Jack squat | 10 |
| Jack succeeded him | 18 |
| Jack Tars | 9 |
| Jack Teagarden played it | 24 |
| Jack that matches the starter card suit, in cribbage | 52 |
| Jack that's one-eyed and lacks a heart | 42 |
| Jack the "Manassa Mauler" | 35 |
| Jack the nipper | 15 |
| Jack the quipper | 16 |
| Jack the Ripper was one | 23 |
| Jack the Ripper's territory | 31 |
| Jack the Ripper, e.g. | 21 |
| Jack the ___ | 12 |
| Jack toppers, in solitaire | 26 |
| Jack Trice Stadium setting | 26 |