| Jack Horner's boast | 23 |
| Jack Horner's dessert | 25 |
| Jack Horner's discovery | 27 |
| Jack Horner's fare | 22 |
| Jack Horner's find | 22 |
| Jack Horner's fruit | 23 |
| Jack Horner's last words | 28 |
| Jack Horner's place | 23 |
| Jack Horner's prize | 23 |
| Jack Horner's reward | 24 |
| Jack Horner's surprise | 26 |
| Jack Horner's treasure | 26 |
| Jack Horner's treat | 23 |
| Jack Horner, Christmas piewise | 30 |
| Jack Horner, for one | 20 |
| Jack in "Around the World in 80 Days" | 47 |
| Jack in a deck | 14 |
| Jack in a kiddie's rhyme | 28 |
| Jack in a nursery rhyme | 23 |
| Jack in cribbage | 16 |
| Jack in many a Western | 22 |
| Jack in Mexico? | 15 |
| Jack in oaters | 14 |
| Jack in the bottle | 18 |
| Jack in the Box CEO Linda | 25 |
| Jack in the Box device: Var. | 28 |
| Jack in the Box, e.g. | 21 |
| Jack in the deck | 16 |
| Jack insert, briefly | 20 |
| Jack Johnson "Bubble ___" | 35 |
| Jack Johnson "To the ___" | 35 |
| Jack Johnson "___ Clowns" | 35 |
| Jack Johnson's "Pancakes" | 39 |
| Jack Jones' record label | 28 |
| Jack Jones's mother | 23 |
| Jack jumper | 11 |
| Jack Kent cartoon King ___ | 26 |
| Jack Kerouac or Allen Ginsberg | 30 |
| Jack Kerouac's first wife | 29 |
| Jack Kerouac's last novel | 29 |
| Jack Kerouac's tale of highway swindles? | 44 |
| Jack Kerouac, Allen Ginsberg and others | 39 |
| Jack Kerouac, Allen Ginsberg, and others | 40 |
| Jack Kerouac, e.g. | 18 |
| Jack Klugman TV role | 20 |
| Jack known by tots | 18 |
| Jack LaLanne, for one | 21 |
| Jack Lemmon alma mater | 22 |
| Jack Lemmon comedy of 1972 | 26 |
| Jack Lemmon film | 16 |
| Jack Lemmon film of '60 | 27 |
| Jack Lemmon film: 1972 | 22 |
| Jack Lemmon role in '93 and '95 | 39 |
| Jack Lemmon's "Days of Wine and Roses" co-star | 60 |
| Jack letters | 12 |
| Jack location | 13 |
| Jack London classic, with "The" | 41 |
| Jack London hero | 16 |
| Jack London sailor | 18 |
| Jack London title character | 27 |
| Jack London venue | 17 |
| Jack London work | 16 |
| Jack London's "Before ___" | 40 |
| Jack London's "Martin ___" | 40 |
| Jack London's "White ___" | 39 |
| Jack London's Capt. Larsen | 30 |
| Jack London's Martin | 24 |
| Jack London's pet | 21 |
| Jack London's Wolf ___ | 26 |
| Jack Lord TV series | 19 |
| Jack makes this a pancake | 25 |
| Jack Mercer supplied his voice | 30 |
| Jack Murphy Stadium team | 24 |
| Jack must be nimble here | 24 |
| Jack Nasty | 10 |
| Jack Nicholson film of '80 | 30 |
| Jack Nicholson has three | 24 |
| Jack Nicholson role | 19 |
| Jack Nicholson title role of 2002 | 33 |
| Jack Nicholson trio | 19 |
| Jack Nicholson vehicle: 1970 | 28 |
| Jack Nicholson, 1992 | 20 |
| Jack Nicklaus edged him out at the 1980 U.S. Open | 49 |
| Jack Nicklaus's alma mater, briefly | 39 |
| Jack Nicklaus, e.g. | 19 |
| Jack of ''Barney Miller'' | 41 |
| Jack of ''Big Bad John'' | 40 |
| Jack of ''Dragnet'' | 35 |
| Jack of 'Barney Miller' | 31 |
| Jack of 'City Slickers' | 31 |
| Jack of 'Hawaii Five-0' | 31 |
| Jack of 'The Great Dictator' | 36 |
| Jack of "A Few Good Men" | 34 |
| Jack of "Barney Miller" | 33 |
| Jack of "Big Bad John" | 32 |
| Jack of "City Slickers" | 33 |
| Jack of "Dragnet" | 27 |
| Jack of "Eraserhead" | 30 |
| Jack of "Flower Drum Song" | 36 |
| Jack of "Flower Drum Song" film | 41 |