Thaao Penghlis has been in 6 movies
| Title | Gross | |
|---|---|---|
| A Green Story / 2012 | US $12,519 | |
| Les Patterson Saves the World / 1987 | ||
| Under Siege / 1986 | ||
![]() | Altered States / 1980 | UK £787,924 US $19,853,892 World $20,862,176 |
| The Bell Jar / 1979 | ||
| Slow Dancing In the Big City / 1978 | ||