US Release date: January 1949
First Melbourne Saturday Suburban: 8 February 1950
Genre: Adventure
Country: USA.
Running time: 75 minutes.
Director: Gregg G. Tallas
Cast: Maria Montez, Jean-Pierre Aumont & Dennis O’Keefe
Australian Distributor: United Artists
Melbourne Premiere Venue: One week at Hoyts Lyceum Theatre from 9 December 1949 with My Brother’s Keeper as the supporting feature
Suburban Release Type: Hoyts 9-W-2
Rankings
| Rank | ||
| EF Points | 71 | 270 |
| EF PPE | 1.69 | 308 |
| Metres Travelled | 408,498 | 235 |
| Average MT | 9,726 | 289 |
| Engagements | 42 | 212 |
| Slots | 43 | 256 |
| Weeks | 1 | 284 |
| Weeks as % of engagements | 2.38% | 308 |
| Saturdays | 21 | 112 |
| Sats as % of engagements | 50.00% | 95 |
| Tuesdays | 20 | 105 |
| Tues as % of engagements | 47.62% | 112 |
| First billed | 2 | 223 |
| Second billed | 40 | 75 |
| Feature only | 0 | 34* |
Hoyts Ratios
| Engagements weeks 1-10 | 41 |
| Ratio | 97.62% |
| Difference to chain ratio | 5.26% |
| Eng weeks 11-26 | 1 |
| Ratio | 2.38% |
| Difference to chain ratio | -3.01% |
| Eng weeks 27-52 | 0 |
| Ratio | 0.00% |
| Difference to chain ratio | -2.24% |
| Hoyts eng | 33 |
| Ratio | 78.57% |
| Difference to chain ratio | 12.79% |
| Independent eng | 2 |
| Ratio | 4.76% |
| Difference to chain ratio | -6.74% |
| Suburban eng | 7 |
| Ratio | 16.67% |
| Difference to chain ratio | -6.05% |
NOTES: A troubled production that did little to trouble the rankings. Equally spread over Saturdays and Tuesdays and only twice heading the bill it was low on the ladder on most counts. John Loves Mary was its regular bill-header.
Siren of Atlantis engagements
| SUBURB | VENUE | CHAIN | DATE | W | D | B | CO-FEATURE |
| Albert Park | Park | Hoyts | 18/2/50 | 1 | S | 2 | John Loves Mary |
| Fitzroy | Regent | Hoyts | 18/2/50 | 1 | S | 2 | John Loves Mary |
| Prahran | Empress | Hoyts | 18/2/50 | 1 | S | 1 | John Loves Mary |
| Richmond | Cinema | Hoyts | 18/2/50 | 1 | S | 2 | John Loves Mary |
| Caulfield | Crystal Palace | Suburban | 18/2/50 | 1 | T | 2 | John Loves Mary |
| Malvern | New | Hoyts | 18/2/50 | 1 | T | 2 | John Loves Mary |
| North Fitzroy | Merri | Hoyts | 18/2/50 | 1 | T | 2 | John Loves Mary |
| Port Melbourne | Eclipse | Hoyts | 18/2/50 | 1 | T | 2 | John Loves Mary |
| St.Kilda | Memorial | Hoyts | 18/2/50 | 1 | W | 2 | Western Heritage |
| Richmond | Globe | Suburban | 25/2/50 | 2 | S | 2 | John Loves Mary |
| Ascot Vale | Waratah | Hoyts | 25/2/50 | 2 | S | 2 | John Loves Mary |
| Brunswick | Padua | Hoyts | 25/2/50 | 2 | S | 2 | John Loves Mary |
| Coburg | Grand | Hoyts | 25/2/50 | 2 | S | 2 | John Loves Mary |
| Essendon | Plaza | Hoyts | 25/2/50 | 2 | S | 2 | John Loves Mary |
| Glenhuntly | Glenhuntly | Hoyts | 25/2/50 | 2 | S | 2 | John Loves Mary |
| Thornbury | Regent | Hoyts | 25/2/50 | 2 | S | 2 | John Loves Mary |
| Ascot Vale | Ascot | Suburban | 25/2/50 | 2 | T | 2 | John Loves Mary |
| Northcote | Northcote | Suburban | 25/2/50 | 2 | T | 2 | John Loves Mary |
| Brighton | Centre | Hoyts | 25/2/50 | 2 | T | 2 | John Loves Mary |
| Elsternwick | Renown | Hoyts | 25/2/50 | 2 | T | 2 | John Loves Mary |
| Essendon | Circle | Hoyts | 25/2/50 | 2 | T | 2 | John Loves Mary |
| Footscray | Trocadero | Hoyts | 4/3/50 | 3 | S | 2 | John Loves Mary |
| Glenferrie | Palace | Hoyts | 4/3/50 | 3 | S | 2 | John Loves Mary |
| Preston | Circle | Hoyts | 4/3/50 | 3 | S | 2 | John Loves Mary |
| Balwyn | Time | Hoyts | 4/3/50 | 3 | T | 2 | John Loves Mary |
| Bentleigh | Bentleigh | Hoyts | 4/3/50 | 3 | T | 2 | John Loves Mary |
| Brunswick | Alhambra | Hoyts | 4/3/50 | 3 | T | 2 | John Loves Mary |
| Carnegie | Carnegie | Hoyts | 4/3/50 | 3 | T | 2 | John Loves Mary |
| Gardiner | Regent | Hoyts | 4/3/50 | 3 | T | 2 | John Loves Mary |
| Hampton | Southern | Hoyts | 4/3/50 | 3 | T | 2 | John Loves Mary |
| Kew | Rialto | Hoyts | 4/3/50 | 3 | T | 2 | John Loves Mary |
| North Fitzroy | Palace | Suburban | 11/3/50 | 4 | S | 2 | John Loves Mary |
| Brunswick | Lygon | Hoyts | 11/3/50 | 4 | S | 2 | John Loves Mary |
| Canterbury | Maling | Hoyts | 11/3/50 | 4 | S | 2 | John Loves Mary |
| Ivanhoe | Ivanhoe | Hoyts | 11/3/50 | 4 | S | 2 | John Loves Mary |
| Malvern | Victory | Hoyts | 11/3/50 | 4 | S | 2 | John Loves Mary |
| Footscray | Barkly | Hoyts | 11/3/50 | 4 | T | 2 | John Loves Mary |
| Yarraville | St. George | Suburban | 18/3/50 | 5 | S | 2 | John Loves Mary |
| Williamstown | Shore | Hoyts | 18/3/50 | 5 | S | 2 | John Loves Mary |
| North Melbourne | Loco | Independent | 18/3/50 | 5 | T | 1 | Blood on the Moon |
| Reservoir | Plaza | Independent | 22/4/50 | 9 | T | 2 | John Loves Mary |
| Box Hill | Rialto | Suburban | 10/6/50 | 17 | T | 2 | Everybody Does It |
The 1950 Project 