USA
Country Doctor, Jack Jackson is called in to treat the Sick-Little-Well-Girl, who has been making Dr. Saulsbourg and is sanitarium very rich, after years of unsuccessful treatment. His old-fashioned methods do the trick and the quack is sent packing. - IMDb
| As Receitas do Dr. Jack |  Portugal |
| Doctor Jack |  Spain |
| Doctor Jack (alternative spelling) | USA |
| Doktor Jack |  Denmark |
| Doktor Jack |  West Germany |
| Dr. Jack |  New Zealand |
| Dr. Jack | USA |
| Dr. Jack |  South Africa |
| Dr. Jack |  Australia |
| Dr. Jack |  Canada |
| Dr. Jack | West Germany |
| Dr. Jack | Denmark |
| Dr. Jack |  United Kingdom |
| Dr. Jack |  Hungary |
| Dr. Jack |  Ireland |
| Dr. Jack |  India |
| Et puis ça va |  France |
| Ta hapia tou Harold (transliterated title) |  Greece |
| Tohtori Jack |  Finland |
| Tri Jack | Finland |
| Τα χάπια του Χάρολντ | Greece |
| Доктор Джек |  Soviet Union |
| ドクター・ジャック |  Japan |
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Jackie Condon [4] | Boy's Pal |
 |
Mickey Daniels [8] | Boy Patient |
