Profil Görüntüleri
| Doğum yeri | The Bronx, New York, USA |
| Doğum günü | 1928-01-19 |
| Ölüm | 2007-01-09 |
| Ayrıca şöyle bilinir | Leonard Haideman Leonard Heideman Leonard Heiderman Leonard Heidman Leonard Herdeman John Truman |
Oy
Diğer Roller
| 1995 | Dazzle - Writer |
| 1989 | Triumph of the Spirit - Writer |
| 1981 | Jacqueline Susann's Valley of the Dolls - Teleplay |
| 1980 | The Memory of Eva Ryker - Teleplay |
| 1978 | The Beasts Are on the Streets - Teleplay |
| 1978 | Ski Lift to Death - Writer |
| 1973 | The Magician - Writer |
| 1973 | Call to Danger - Producer |
| 1973 | Call to Danger - Writer |
| 1955 | Canyon Crossroads - Screenplay |
| 1955 | Canyon Crossroads - Story |
| 1954 | Hayvan Çiftliği - Writer |
Duvar