Bill Mulligan has used his creative talent for practical special effects and makeup in many feature films and shorts, as effects technician, actor, writer and director. His work can be seen in Knob Goblins, The Forever Dead, Fistful of Brains, A Few Brains More, Fix It In Post and Kill Giggles
| Movie | 2 Die For | 2018 |
| Movie | 60 Seconds 2 Die: 60 Seconds to Die 2 | 2018 |
| Movie | Fix It In Post | 2014 |
| Movie | Fix It In Post | 2014 |
| Movie | Fistful of Brains | 2008 |
