| Name | Character | Episodes |
|---|---|---|
| Kurtwood Smith | Don Killbride | 10 |
| Molly Shannon | Tina Hellman (voice) | 10 |
| Steve Coogan | Satan | 10 |
| Patton Oswalt | Pazuzu | 10 |
| Will Sasso | Balthazor Hellman | 10 |
| Dina Spybey-Waters | Marjoe Saint Sparks | 10 |
| David Soren | Josh Hellman | 10 |
| Kyle McCulloch | Chevdet Tevetoglu | 10 |
| Tracey Fairaway | Mandy Hellman | 10 |
| Jerry Lambert | 4 | |
| Isla Fisher | 1 | |
| Mimi Rogers | 1 | |
| Beth Littleford | 1 | |
| Talia Shire | 1 | |
| David Koechner | 1 | |
| Eric Christian Olsen | 1 | |
| Robert Loggia | 1 | |
| Marc Wootton | 1 |