| Mark who said "Go to heaven for the climate, hell for the company" | 76 |
| Mark who played Spock's father | 34 |
| Mark who played in 15 NHL All-Star Games | 40 |
| Mark who created Tom Sawyer | 27 |
| Mark who bought a majority stake in the Dallas Mavericks from Ross Perot's son | 82 |
| Mark well | 9 |
| Mark Wahlberg starred in the 1997 film "___ Nights"... | 64 |
| Mark Wahlberg foe, in a 2001 remake | 35 |
| Mark Wahlberg film: "Max ___" | 39 |
| Mark used in logic | 18 |
| Mark used in "señor" | 33 |
| Mark up, say | 12 |
| Mark up, perhaps | 16 |
| Mark up, maybe | 14 |
| Mark up, as a score | 19 |
| Mark up or mark down | 20 |
| Mark up or down, say | 20 |
| Mark up or down, maybe | 22 |
| Mark up on the screen? | 22 |
| Mark up for revision | 20 |
| Mark up copy | 12 |
| Mark up a score? | 16 |
| Mark up a score | 15 |
| Mark up | 7 |
| Mark under a consonant | 22 |
| Mark Twain/Bret Harte play | 26 |
| Mark Twain, to Samuel Langhorne Clemens | 39 |
| Mark Twain, Lewis Carroll, et al. | 33 |
| Mark Twain, for Samuel Clemens | 30 |
| Mark Twain, for one | 19 |
| Mark Twain, famously | 20 |
| Mark Twain, e.g., religiously speaking | 38 |
| Mark Twain, e.g. | 16 |
| Mark Twain's real first name | 32 |
| Mark Twain's New York burial place | 38 |
| Mark Twain's kind of training? | 34 |
| Mark Twain's jumping frog | 29 |
| Mark Twain's Huck | 21 |
| Mark Twain's elder brother | 30 |
| Mark Twain's Dan'l was one | 34 |
| Mark Twain's celebrated frog | 32 |
| Mark Twain's burial place | 29 |
| Mark Twain's brother | 24 |
| Mark Twain's boyhood home | 29 |
| Mark Twain's belief | 23 |
| Mark Twain's "The Gilded ___ Tale of Today" | 57 |
| Mark Twain specialties | 22 |
| Mark Twain quote continued | 26 |
| Mark Twain quote concluded | 26 |
| Mark Twain prop | 15 |
| Mark Twain Prize recipient of 2010 | 34 |
| Mark Twain portrayer Holbrook | 29 |
| Mark Twain or Saki, e.g. | 24 |
| Mark Twain or O. Henry | 22 |
| Mark Twain novel whose plot is encapsulated in this puzzle | 58 |
| Mark Twain National Forest setting | 34 |
| Mark Twain forte | 16 |
| Mark Twain character | 20 |
| Mark Twain called it "a good walk spoiled" | 52 |
| Mark Twain and Saki, for two | 28 |
| Mark Twain and Saki | 19 |
| Mark Twain and George Sand, e.g. | 32 |
| Mark Twain | 10 |
| Mark to undo a deletion | 23 |
| Mark to improve | 15 |
| Mark time? | 10 |
| Mark time, in a way | 19 |
| Mark time | 9 |
| Mark the transition from an old year to the new, maybe | 54 |
| Mark the start of | 17 |
| Mark the Sabbath | 16 |
| Mark the herd again | 19 |
| Mark the boundaries of | 22 |
| Mark the beginning of Lent in a shocking way? | 45 |
| Mark the beginning of | 21 |
| Mark that might be left with greasy fingers | 43 |
| Mark that means "do not change" | 41 |
| Mark that may cause a pause | 27 |
| Mark that lingers | 17 |
| Mark that implies different meaning | 35 |
| Mark that appears four times in this puzzle (hint: the baseball player who's the answer to this puzzle uses one, too) | 121 |
| Mark Thackeray, to his students, in a 1967 film | 47 |
| Mark Tatulli's comic strip | 30 |
| Mark Tatulli comic strip with no dialogue | 41 |
| Mark Tatulli comic strip | 24 |
| Mark supplanter | 15 |
| Mark successors | 15 |
| Mark successor | 14 |
| Mark spottily | 13 |
| Mark Spitz's record-beater | 30 |
| Mark slightly longer than a hyphen | 34 |
| Mark similar to a hyphen | 24 |
| Mark showing the status of a stormy-day flight? | 47 |
| Mark Sanchez, notably | 21 |
| Mark Sanchez, for one | 21 |
| Mark Sanchez, e.g. | 18 |
| Mark sale prices | 16 |
| Mark S. Fowler chairs it: Abbr. | 31 |
| Mark Russell's forte | 24 |
| Mark Rudd's org. | 20 |