Ian Underwood Collaberations
| Film Title | Role | Collaboration Count |
|---|---|---|
| Theodore Bikel | Actor | 1 |
| Keith Moon | Actor | 1 |
| Jimmy Carl Black | Actor | 1 |
| Herb Cohen | Producer | 1 |
| George Duke | Actor | 1 |
| Aynsley Dunbar | Actor | 1 |
| Janet Neville-Ferguson | Actor | 1 |
| Jerry D. Good | Producer | 1 |
| Rich Harrison | Editor | 1 |
| Howard Kaylan | Actor, Writer | 1 |
| Martin Lickert | Actor | 1 |
| Tony Palmer | Director, Writer, Cinematographer | 1 |
| Cal Schenkel | Production designer | 1 |
| Mark Volman | Actor, Writer | 1 |
| Frank Zappa | Director, Writer, Composer | 1 |