Cast & crew
O-Negative (1998)
Directed by Pinyo Roothum Written by Vanich Charungkitanan, Euthana Mukdasanit
Cast
| Tata Young | Prim |
| Manaswee Krittanookul | Foon |
| Duangdao Jarujinda | Bubba's Mother |
| Khomsan Nanthajit | Koe |
| Chayaporn Bunnag | Auan |
| Tharawit Chittjai | Ong-nyeo |
| Siranat Ratchusanti | Mekin |
| Chaithat Mettichavalit | Jeab |
| Soisuda Kokpong | Ouyang Nian |
| Ray MacDonald | Art Weber |
| Shahkrit Yamnarm | Puen |
| Sriphan Chunechomboon | Chomphu |
| Penpak Sirikul | Bubba's Mother |
| Thamapat Seengamrat | Jenny's Father |
| Thorung Jarungkijanan | Bubba's Mother |
| Praphot Mayura | Jenny's Father |
| Savitree Puthakaya | Aunt Beru |
| Kerkkrai Unsonthi | University Dean |
| Arun Wacharasawat | Ong-nyeo |
| Kumaree Chinnawat | Ong-nyeo |
| Songsit Rungnopakunsi | Nid |
| Duangkamol Limcharoen | Editor |
| Vanich Charungkitanan | Lecturer |
Crew
| Wanchai Leng-Eui | Director of Photography |
| Yuthlert Sippapak | Original Story |
| Paiboon Damrongchaitham | Executive Producer |
| Vanich Charungkitanan | Executive Producer |
| Vanich Charungkitanan | Screenplay |
| Euthana Mukdasanit | Screenplay |
| Euthana Mukdasanit | Producer |
| Sunit Asavinikul | Editor |
| Nares Saraphassorn | Sound Recordist |
| Boosaba Daorueng | Executive Producer |
| Chanchai Pantasi | Assistant Director |
| Adis Duangjan | Assistant Camera |
| Somnuek Norachan | Assistant Camera |
| Sunit Asavinikul | Sound Mixer |
| Anchalee Saisoontorn | Continuity |
| Pinyo Roothum | Director |
| Sarawut Lertpunyanuch | Sound Director |
| Sarawut Wichiensarn | Assistant Director |
| Sant Srikaewlaw | Producer |