
US Release date: 1 September 1949
First Melbourne Saturday Suburban: 16 December 1950
Genre: Crime
Country: USA.
Running time: 60 minutes
Director: George Blair
Cast: Audrey Long, Warren Douglas & Jeff Donnell
Australian Distributor: BEF
Melbourne Premiere Venue: Two weeks at Hoyts Esquire Theatre from 17 November 1950 as support to The Capture.
Suburban Release Type: Suburban Palais EX-2
Rankings
| Rank | ||
| EF Points | 79 | 250 |
| EF PPE | 1.65 | 313 |
| Metres Travelled | 527,346 | 85 |
| Average MT | 10,986 | 68 |
| Engagements | 48 | 124 |
| Slots | 52 | 173 |
| Weeks | 4 | 188 |
| Weeks as % of engagements | 8.33% | 218 |
| Saturdays | 23 | 96 |
| Sats as % of engagements | 47.92% | 116 |
| Tuesdays | 21 | 95 |
| Tues as % of engagements | 43.75% | 132 |
| First billed | 0 | 263* |
| Second billed | 48 | 27 |
| Feature only | 0 | 34* |
Hoyts ratios
| Engagements weeks 1-10 | 45 |
| Ratio | 93.75% |
| Difference to chain ratio | 1.39% |
| Eng weeks 11-26 | 3 |
| Ratio | 6.25% |
| Difference to chain ratio | 0.86% |
| Eng weeks 27-52 | 0 |
| Ratio | 0.00% |
| Difference to chain ratio | -2.24% |
| Hoyts eng | 33 |
| Ratio | 68.75% |
| Difference to chain ratio | 2.97% |
| Independent eng | 3 |
| Ratio | 6.25% |
| Difference to chain ratio | -5.25% |
| Suburban eng | 12 |
| Ratio | 25.00% |
| Difference to chain ratio | 2.28% |
NOTES: Republic programmer that backed The Black Rose on 41 occasions. Achieved a reasonable number of Suburban theatre bookings and thus a healthy ranking for average metres travelled.
Post Office Investigator engagements
| SUBURB | VENUE | CHAIN | DATE | W | D | B | CO-FEATURE |
| St. Kilda | Palais | Suburban | 16/12/1950 | 1 | W | 2 | The Asphalt Jungle |
| Albert Park | Park | Hoyts | 23/12/1950 | 2 | S | 2 | The Black Rose |
| Brunswick | Padua | Hoyts | 23/12/1950 | 2 | S | 2 | The Black Rose |
| Fitzroy | Regent | Hoyts | 23/12/1950 | 2 | S | 2 | The Black Rose |
| North Fitzroy | Merri | Hoyts | 23/12/1950 | 2 | S | 2 | The Black Rose |
| Port Melbourne | Eclipse | Hoyts | 23/12/1950 | 2 | S | 2 | The Black Rose |
| Windsor | New | Hoyts | 23/12/1950 | 2 | S | 2 | The Black Rose |
| Caulfield | Crystal Palace | Suburban | 23/12/1950 | 2 | T | 2 | The Black Rose |
| Collingwood | Austral | Suburban | 23/12/1950 | 2 | T | 2 | Sunset Boulevard |
| Malvern | New | Hoyts | 23/12/1950 | 2 | T | 2 | The Black Rose |
| South Yarra | Regent | Hoyts | 23/12/1950 | 2 | W | 2 | The Black Rose |
| Ascot Vale | Ascot | Suburban | 30/12/1950 | 3 | S | 2 | The Black Rose |
| Brighton | Centre | Hoyts | 30/12/1950 | 3 | S | 2 | The Black Rose |
| Coburg | Grand | Hoyts | 30/12/1950 | 3 | S | 2 | The Black Rose |
| Elsternwick | Renown | Hoyts | 30/12/1950 | 3 | S | 2 | The Black Rose |
| Essendon | Circle | Hoyts | 30/12/1950 | 3 | S | 2 | The Black Rose |
| Newmarket | Newmarket | Suburban | 30/12/1950 | 3 | T | 2 | Sunset Boulevard |
| Northcote | Northcote | Suburban | 30/12/1950 | 3 | T | 2 | The Black Rose |
| Ascot Vale | Waratah | Hoyts | 30/12/1950 | 3 | T | 2 | The Black Rose |
| Essendon | Plaza | Hoyts | 30/12/1950 | 3 | T | 2 | The Black Rose |
| Glenhuntly | Glenhuntly | Hoyts | 30/12/1950 | 3 | T | 2 | The Black Rose |
| Thornbury | Regent | Hoyts | 30/12/1950 | 3 | T | 2 | The Black Rose |
| Balwyn | Time | Hoyts | 6/01/1951 | 4 | S | 2 | The Black Rose |
| Camberwell | Broadway | Hoyts | 6/01/1951 | 4 | S | 2 | The Black Rose |
| Gardiner | Regent | Hoyts | 6/01/1951 | 4 | S | 2 | The Black Rose |
| Hampton | Southern | Hoyts | 6/01/1951 | 4 | S | 2 | The Black Rose |
| Kew | Rialto | Hoyts | 6/01/1951 | 4 | S | 2 | The Black Rose |
| Bentleigh | Bentleigh | Hoyts | 6/01/1951 | 4 | T | 2 | The Black Rose |
| Carnegie | Carnegie | Hoyts | 6/01/1951 | 4 | T | 2 | The Black Rose |
| Glenferrie | Palace | Hoyts | 6/01/1951 | 4 | T | 2 | The Black Rose |
| Preston | Circle | Hoyts | 6/01/1951 | 4 | T | 2 | The Black Rose |
| Footscray | Trocadero | Hoyts | 6/01/1951 | 4 | W | 2 | The Black Rose |
| Canterbury | Maling | Hoyts | 13/01/1951 | 5 | S | 2 | The Black Rose |
| Ivanhoe | Ivanhoe | Hoyts | 13/01/1951 | 5 | S | 2 | The Black Rose |
| Malvern | Victory | Hoyts | 13/01/1951 | 5 | S | 2 | The Black Rose |
| Fairfield | Fairfield | Suburban | 13/01/1951 | 5 | T | 2 | Sunset Boulevard |
| Hartwell | Regal | Suburban | 13/01/1951 | 5 | T | 2 | The Black Rose |
| North Fitzroy | Palace | Suburban | 13/01/1951 | 5 | T | 2 | The Black Rose |
| Brunswick | Lygon | Hoyts | 13/01/1951 | 5 | T | 2 | The Black Rose |
| North Melbourne | Loco | Independent | 20/01/1951 | 6 | S | 2 | The Black Rose |
| Yarraville | St. George | Suburban | 20/01/1951 | 6 | S | 2 | The Black Rose |
| Williamstown | Shore | Hoyts | 20/01/1951 | 6 | S | 2 | The Black Rose |
| Eltham | Plaza | Suburban | 27/01/1951 | 7 | S | 2 | The Black Rose |
| Oakleigh | Paramount | Independent | 27/01/1951 | 7 | T | 2 | The Black Rose |
| Box Hill | Regent | Suburban | 10/02/1951 | 9 | T | 2 | The Black Rose |
| Chelsea | Plaza | Independent | 3/03/1951 | 12 | W | 2 | Twelve O’Clock High |
| Richmond | Cinema | Hoyts | 7/04/1951 | 17 | T | 2 | Quicksand |
| Prahran | Empress | Hoyts | 21/04/1951 | 19 | T | 2 | All About Eve |


