Liam Hemsworth (The Hunger Games: Mockingjay - Part 2 (2015)); Tracee Ellis Ross (Black-ish (2014)). Also: Jewel Kilcher and "Kool and The Gang" perform as "Jewel and the Gang" on "Mash Up Monday".
| Name | Type | Role | |
|---|---|---|---|
| Jimmy Kimmel | Writer | ||
| Jonathan Kimmel | Writer | ||
| Danny Ricker | Writer | ||
| Joe Strazzullo | Writer | ||
| Josh Halloway | Writer | ||
| Michael Ray | Guest Star | ||
| Liam Hemsworth | Guest Star | ||
| Curtis Williams | Guest Star | ||
| Jewel | Guest Star | ||
| Kool & the Gang | Guest Star | ||
| Shawn McQuiller | Guest Star | ||
| Tracee Ellis Ross | Guest Star | ||
| Robert 'Kool' Bell | Guest Star | ||
| George Brown | Guest Star | ||
| Jimmy Kimmel | Executive Producer | ||
| Jill Leiderman | Executive Producer | ||
| Andy Fisher | Director | ||
| Zack Bornstein | Director |