| Opera's Escamillo, for one | 30 |
| Osgoode Hall Law School locale | 30 |
| One unlikely to go into Labour | 30 |
| One who can't get to sleep | 30 |
| Obscurer of Dorothy's dog? | 30 |
| One may be expressed by a gene | 30 |
| Oriole catcher: 1955–62 | 30 |
| Of "Survivor" groups | 30 |
| October custom done in costume | 30 |
| Ordeal that's no big deal? | 30 |
| Org. with the Precheck program | 30 |
| Old Russian ruler's domain | 30 |
| One and one-third drams: Abbr. | 30 |
| Old Dungeons & Dragons co. | 30 |
| Old game co. that made D&D | 30 |
| One looking for the right key? | 30 |
| Open D and open G, for guitars | 30 |
| One of two in a Christmas song | 30 |
| Often-ignored software feature | 30 |
| One way to describe the outfit | 30 |
| One-time Howard Hughes airline | 30 |
| One-time Howard Hughes company | 30 |
| Officially create, as a report | 30 |
| Old county of Northern Ireland | 30 |
| Onetime realm of Nasser: Abbr. | 30 |
| Org. that negotiates with G.M. | 30 |
| Oscar-nominated role for Peter | 30 |
| One-time TV medical expert Art | 30 |
| Open, as a prescription bottle | 30 |
| Open, as a bottle of champagne | 30 |
| One way to end up on the links | 30 |
| Option in many drop-down menus | 30 |
| One side in labor negotiations | 30 |
| One-piece garments, informally | 30 |
| Opens, as a baby's pajamas | 30 |
| Opens with effort, as a window | 30 |
| One half of a pair of dentures | 30 |
| One of the Four Forest Cantons | 30 |
| Org. that oversees food stamps | 30 |
| One may start at $.01, on eBay | 30 |
| One to whom a warranty applies | 30 |
| Ones in need of detoxification | 30 |
| One who puts you in your place | 30 |
| One walking down an aisle, say | 30 |
| Org. that makes a lot of money | 30 |
| Old Glory saluter, most likely | 30 |
| Org. for once-a-month swabbies | 30 |
| Org. where love means nothing? | 30 |
| One of the Four Corners states | 30 |
| Onetime telejournalist Garrick | 30 |
| One might make a setter better | 30 |
| One likely to have pet peeves? | 30 |
| One of 37 cast by Bill Clinton | 30 |
| One of Tiger's competitors | 30 |
| One who may get the grand tour | 30 |
| One who gets special treatment | 30 |
| Owen Wister novel with The | 30 |
| Overseas news source, in brief | 30 |
| Overseas broadcaster, in brief | 30 |
| Ones often marrying in a hurry | 30 |
| Occasions when arms are raised | 30 |
| One way to get across the lake | 30 |
| One of Edison's inventions | 30 |
| Of a noticeably smaller amount | 30 |
| One way to access the Internet | 30 |
| Ones who go after big schools? | 30 |
| O.A.R. "___ Chariot" | 30 |
| One of the five interrogatives | 30 |
| Often-vandalized Internet page | 30 |
| Oscar Thomas William Dean John | 30 |
| Open container violator, often | 30 |
| Oscar Wilde's sine qua non | 30 |
| Oz musical, with 'The' | 30 |
| Org. with the New York Liberty | 30 |
| Org. with Monarchs and Mystics | 30 |
| Office or operating room, e.g. | 30 |
| One may be found in the garage | 30 |
| Org. once headed by H. Hopkins | 30 |
| Observation after a Bush walk? | 30 |
| Oscar winning director William | 30 |
| Official press agency of China | 30 |
| Ointment for newly mown grass? | 30 |
| One who profits from safe jobs | 30 |
| One way to clear out a theater | 30 |
| Obedient reply from Tom Sawyer | 30 |
| Org. known by its first letter | 30 |
| One whose losses are temporary | 30 |
| Oxide used in television tubes | 30 |
| Org. for women since the 1850s | 30 |
| One hundred makuta in Kinshasa | 30 |
| Outdoor contemplation location | 30 |
| One who solves this crossword? | 30 |
| Onetime inlet of the North Sea | 30 |
| Other half of the decoder ring | 30 |
| Org. offering motel discounts | 29 |
| Org. offering hotel discounts | 29 |
| Org. called from the shoulder | 29 |
| Org. that lobbies for lawyers | 29 |
| Opposite of "Vive!" | 29 |
| Overseers of monk-y business? | 29 |