Will Arnett; Ali Larter; Jeff Bridges; Sasha Alexander. Also: Becky G performs; "This Is 50"; weekend jump-starters; "Ambush Makeovers"; "50 Over 50".
| Name | Type | Role | |
|---|---|---|---|
| Eric Jackson | Producer | ||
| Jeff Bridges | Guest Star | ||
| Sasha Alexander | Guest Star | ||
| Becky G | Guest Star | ||
| Will Arnett | Guest Star | ||
| Ali Larter | Guest Star | ||
| Donald Nash | Executive Producer |