USA
Bachelor Harry Quincey, head designer in a small-town cloth factory, lives with his selfish sisters, glamorous hypochondriac Lettie and querulous widow Hester. His developing relationship with new colleague Deborah Brown promises happiness at last...thwarted by passive, then increasingly active opposition from one sister. Will Harry resort to desperate measures? - IMDb
| Amor que mata |  Argentina |
| Amor que mata |  Mexico |
| Caprichos do Destino |  Brazil |
| La fine della famiglia Quincy |  Italy |
| Guilty of Murder? (reissue title) | USA |
| Io ho ucciso! | Italy |
| Jos ajatukset voisivat tappaa |  Finland |
| Neobčni posao ujka Harija (literal title) |  Yugoslavia |
| Om tankar kunde döda |  Sweden |
| L'oncle Harry |  France |
| Onkel Harrys seltsame Affäre |  West Germany |
| Onkel Harrys seltsame Affäre | West Germany |
| Pesadilla |  Spain |
| Spændetrøjen |  Denmark |
| The Strange Affair of Uncle Harry |  Australia |
| The Strange Affair of Uncle Harry |  Canada |
| The Strange Affair of Uncle Harry | USA |
| Uncle Harry (pre-release title) | USA |
| Uncle Harry |  United Kingdom |
| Veneno que Liberta |  Portugal |
| Zero Murder Case | USA |
| Необыкновенное дело дядюшки Гарри |  Soviet Union |
| 스트레인지 어페어 오브 엉클 해리 |  South Korea |
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Billy Gray [7] | Child |
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Robert J. Anderson [12] | Child |
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Gregory Marshall [6] | Child |
