US Release date: October 15 1948 (as Inner Sanctum)
First Melbourne Saturday Suburban: 1 April 1950
Genre: Crime
Country: USA
Running time: 62 minutes.
Director: Lew Landers
Cast: Charles Russell, Mary Beth Hughes, Dale Belding
Australian Distributor: 20th Century Fox
Melbourne Premiere Venue: Hoyts’ Capitol theatre for three weeks from 27 January 1950 as support to Too Late for Tears
Suburban Release Type: Hoyts Victory EX-2
Rankings
| Rank | ||
| EF Points | 97 | 209 |
| EF PPE | 1.87 | 282 |
| Metres Travelled | 510,101 | 110 |
| Average MT | 9,810 | 274 |
| Engagements | 52 | 55 |
| Slots | 56 | 136 |
| Weeks | 4 | 188 |
| Weeks as % of engagements | 7.69% | 224 |
| Saturdays | 37 | 16 |
| Sats as % of engagements | 71.15% | 22 |
| Tuesdays | 11 | 167 |
| Tues as % of engagements | 21.15% | 228 |
| First billed | 0 | 263* |
| Second billed | 52 | 5 |
| Feature only | 0 | 34* |
Hoyts ratios
| Engagements weeks 1-10 | 52 |
| Ratio | 100.00% |
| Difference to chain ratio | 7.64% |
| Eng weeks 11-26 | 0 |
| Ratio | 0.00% |
| Difference to chain ratio | -5.39% |
| Eng weeks 27-52 | 0 |
| Ratio | 0.00% |
| Difference to chain ratio | -2.24% |
| Hoyts eng | 36 |
| Ratio | 69.23% |
| Difference to chain ratio | 3.45% |
| Independent eng | 5 |
| Ratio | 9.62% |
| Difference to chain ratio | -1.88% |
| Suburban eng | 11 |
| Ratio | 21.15% |
| Difference to chain ratio | -1.57% |
Notes: Film Classics mystery quicke picked up by Fox for Australia that scrambled up 97 EF points due to supporting Treasure of Sierra Madre for most of its suburban run. Hoyts dispensed with it after Week 6 then other houses eked out enough bookings to carry it through to a tenth week on screen.
Inner Sanctum Mystery engagements
| SUBURB | VENUE | CHAIN | DATE | W | D | B | CO-FEATURE |
| St.Kilda | Victory | Hoyts | 1/4/50 | 1 | W | 2 | Treasure of Sierra Madre |
| Collingwood | Austral | Suburban | 8/4/50 | 2 | S | 2 | Treasure of Sierra Madre |
| Albert Park | Park | Hoyts | 8/4/50 | 2 | S | 2 | Treasure of Sierra Madre |
| Fitzroy | Regent | Hoyts | 8/4/50 | 2 | S | 2 | Treasure of Sierra Madre |
| Malvern | New | Hoyts | 8/4/50 | 2 | S | 2 | Treasure of Sierra Madre |
| North Fitzroy | Merri | Hoyts | 8/4/50 | 2 | S | 2 | Treasure of Sierra Madre |
| Port Melbourne | Eclipse | Hoyts | 8/4/50 | 2 | S | 2 | Treasure of Sierra Madre |
| Richmond | Cinema | Hoyts | 8/4/50 | 2 | S | 2 | Treasure of Sierra Madre |
| South Yarra | Regent | Hoyts | 8/4/50 | 2 | T | 2 | Treasure of Sierra Madre |
| Brunswick | Padua | Hoyts | 8/4/50 | 2 | W | 2 | Treasure of Sierra Madre |
| Windsor | New | Hoyts | 8/4/50 | 2 | W | 2 | Treasure of Sierra Madre |
| Newmarket | Newmarket | Suburban | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Northcote | Northcote | Suburban | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Ascot Vale | Waratah | Hoyts | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Brighton | Centre | Hoyts | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Coburg | Grand | Hoyts | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Elsternwick | Renown | Hoyts | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Essendon | Plaza | Hoyts | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Footscray | Barkly | Hoyts | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Thornbury | Regent | Hoyts | 15/4/50 | 3 | S | 2 | Treasure of Sierra Madre |
| Ascot Vale | Ascot | Suburban | 15/4/50 | 3 | T | 2 | Treasure of Sierra Madre |
| Brunswick | Alhambra | Hoyts | 15/4/50 | 3 | T | 2 | Treasure of Sierra Madre |
| Essendon | Circle | Hoyts | 15/4/50 | 3 | T | 2 | Treasure of Sierra Madre |
| Glenhuntly | Glenhuntly | Hoyts | 15/4/50 | 3 | T | 2 | Treasure of Sierra Madre |
| Bentleigh | Bentleigh | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Carnegie | Carnegie | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Footscray | Trocadero | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Gardiner | Regent | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Glenferrie | Palace | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Hampton | Southern | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Kew | Rialto | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Preston | Circle | Hoyts | 22/4/50 | 4 | S | 2 | Treasure of Sierra Madre |
| Balwyn | Time | Hoyts | 22/4/50 | 4 | T | 2 | Treasure of Sierra Madre |
| Camberwell | Broadway | Hoyts | 22/4/50 | 4 | T | 2 | Treasure of Sierra Madre |
| Fairfield | Fairfield | Suburban | 29/4/50 | 5 | S | 2 | Treasure of Sierra Madre |
| Hartwell | Regal | Suburban | 29/4/50 | 5 | S | 2 | Treasure of Sierra Madre |
| North Fitzroy | Palace | Suburban | 29/4/50 | 5 | S | 2 | Treasure of Sierra Madre |
| Brunswick | Lygon | Hoyts | 29/4/50 | 5 | S | 2 | Treasure of Sierra Madre |
| Canterbury | Maling | Hoyts | 29/4/50 | 5 | S | 2 | Treasure of Sierra Madre |
| Ivanhoe | Ivanhoe | Hoyts | 29/4/50 | 5 | S | 2 | Treasure of Sierra Madre |
| Malvern | Victory | Hoyts | 29/4/50 | 5 | S | 2 | Treasure of Sierra Madre |
| Footscray | Barkly | Hoyts | 29/4/50 | 5 | T | 2 | Treasure of Sierra Madre |
| Yarraville | St. George | Suburban | 6/5/50 | 6 | S | 2 | Treasure of Sierra Madre |
| Williamstown | Shore | Hoyts | 6/5/50 | 6 | S | 2 | Treasure of Sierra Madre |
| North Melbourne | Loco | Independent | 6/5/50 | 6 | T | 2 | Always Another Dawn |
| Oakleigh | Paramount | Independent | 13/5/50 | 7 | S | 2 | Treasure of Sierra Madre |
| Eltham | Plaza | Suburban | 13/5/50 | 7 | S | 2 | Treasure of Sierra Madre |
| Clifton Hill | Clifton | Suburban | 13/5/50 | 7 | W | 2 | Treasure of Sierra Madre |
| Box Hill | Regent | Suburban | 20/5/50 | 8 | S | 2 | Treasure of Sierra Madre |
| Elwood | Broadway | Independent | 20/5/50 | 8 | T | 2 | Mr Perrin and Mr Traill |
| North Richmond | Victoria | Independent | 27/5/50 | 9 | T | 2 | Beautiful Blonde From Bashful Bend |
| Preston West | Rivoli | Independent | 3/6/50 | 10 | S | 2 | Treasure of Sierra Madre |



