UK Release date: 23 August 1949
First Melbourne Saturday Suburban: 27 May 1950
Genre: Drama
Country: UK
Running time: 75 minutes.
Director: Charles Bennett
Cast: Margaret Lockwood, Maxwell Reed & Kathleen Byron
Australian Distributor: GBDFD
Melbourne Premiere Venue: Hoyts’ Athenaeum theatre for two weeks from 7 April 1950 supported by Vote For Huggett.
Suburban Release Type: Hoyts 5-W-2
Rankings
| Rank | ||
| EF Points | 53 | 295 |
| EF PPE | 1.89 | 268 |
| Metres Travelled | 350,018 | 263 |
| Average MT | 12,501 | 8 |
| Engagements | 28 | 281 |
| Slots | 29 | 300 |
| Weeks | 1 | 284 |
| Weeks as % of engagements | 3.57% | 298 |
| Saturdays | 5 | 303 |
| Sats as % of engagements | 17.86% | 299 |
| Tuesdays | 22 | 85 |
| Tues as % of engagements | 78.57% | 12 |
| First billed | 5 | 182 |
| Second billed | 23 | 139 |
| Feature only | 0 | 34* |
Hoyts ratios
| Engagements weeks 1-10 | 23 |
| Ratio | 82.14% |
| Difference to chain ratio | -10.22% |
| Eng weeks 11-26 | 3 |
| Ratio | 10.71% |
| Difference to chain ratio | 5.32% |
| Eng weeks 27-52 | 2 |
| Ratio | 7.14% |
| Difference to chain ratio | 4.89% |
| Hoyts eng | 18 |
| Ratio | 64.29% |
| Difference to chain ratio | -1.49% |
| Independent eng | 4 |
| Ratio | 14.29% |
| Difference to chain ratio | 2.79% |
| Suburban eng | 6 |
| Ratio | 21.43% |
| Difference to chain ratio | -1.29% |
Notes: One of several duds that helped finish off Margaret Lockwood’s big screen stardom, this film couldn’t even last longer than a fortnight at the Athenaeum. After that Hoyts gave it a perfunctory suburban release in which it steered clear of the working class districts and was hidden away on Tuesdays supporting Cover Up. Ranked 8th for average metres travelled and 12th for Tuesdays as a % of its total engagements.
Madness of the Heart engagements
| SUBURB | VENUE | CHAIN | DATE | W | D | B | CO-FEATURE |
| Caulfield | Crystal Palace | Suburban | 27/5/50 | 1 | T | 2 | Cover Up |
| Albert Park | Park | Hoyts | 27/5/50 | 1 | T | 2 | Cover Up |
| Malvern | New | Hoyts | 27/5/50 | 1 | T | 2 | Cover Up |
| North Fitzroy | Merri | Hoyts | 27/5/50 | 1 | T | 2 | Cover Up |
| St.Kilda | Palais | Suburban | 27/5/50 | 1 | W | 1 | Illegal Entry |
| Essendon | Plaza | Hoyts | 3/6/50 | 2 | S | 2 | Cover Up |
| Northcote | Northcote | Suburban | 3/6/50 | 2 | T | 2 | Cover Up |
| Brighton | Centre | Hoyts | 3/6/50 | 2 | T | 2 | Cover Up |
| Essendon | Circle | Hoyts | 3/6/50 | 2 | T | 2 | Cover Up |
| South Yarra | Regent | Hoyts | 3/6/50 | 2 | T | 2 | Father was a Fullback |
| Balwyn | Time | Hoyts | 10/6/50 | 3 | T | 2 | Cover Up |
| Bentleigh | Bentleigh | Hoyts | 10/6/50 | 3 | T | 2 | Cover Up |
| Gardiner | Regent | Hoyts | 10/6/50 | 3 | T | 2 | Cover Up |
| Hampton | Southern | Hoyts | 10/6/50 | 3 | T | 2 | Cover Up |
| Kew | Rialto | Hoyts | 10/6/50 | 3 | T | 2 | Cover Up |
| Hartwell | Regal | Suburban | 17/6/50 | 4 | T | 1 | Cover Up |
| Canterbury | Maling | Hoyts | 17/6/50 | 4 | T | 2 | Cover Up |
| Ivanhoe | Ivanhoe | Hoyts | 17/6/50 | 4 | T | 2 | Cover Up |
| Malvern | Victory | Hoyts | 17/6/50 | 4 | T | 2 | Cover Up |
| Yarraville | St. George | Suburban | 24/6/50 | 5 | T | 2 | Cover Up |
| Williamstown | Shore | Hoyts | 24/6/50 | 5 | T | 2 | Cover Up |
| Coburg | Town Hall | Hoyts | 8/7/50 | 8 | S | 2 | The Drum |
| Box Hill | Rialto | Suburban | 8/7/50 | 8 | T | 1 | It’s Hard to be Good |
| Preston West | Rivoli | Independent | 5/8/50 | 12 | S | 1 | Miraculous Journey |
| Carnegie | Carnegie | Hoyts | 2/9/50 | 15 | T | 2 | Red Light |
| Oakleigh | Paramount | Independent | 21/10/50 | 22 | T | 1 | Stop Press Girl |
| Blackburn | Blackburn | Independent | 16/12/50 | 30 | S | 1 | Vote For Huggett |
| Elwood | Broadway | Independent | 14/4/50 | 47 | S | 2 | Louisa |
The 1950 Project 