Guest at the Kennedy Center in Washington D.C. honoring Bill Cosby, receiving the 14th 'Mark Twain Price for American Humor'. (Cosby's award was rescinded in 2018 due to a sexual assault conviction.)
| Name | Type | Role | |
|---|---|---|---|
| Chris Rock | Guest Star | ||
| Len Chandler | Guest Star | ||
| Wynton Marsalis | Guest Star | ||
| Bill Russell | Guest Star | ||
| Willie Nelson | Guest Star | ||
| Carl Reiner | Guest Star | ||
| Jerry Seinfeld | Guest Star | ||
| James Depreise | Guest Star | ||
| Dick Gregory | Guest Star | ||
| Jimmy Heath | Guest Star | ||
| Sinbad | Guest Star | ||
| Rita Moreno | Guest Star | ||
| Malcolm-Jamal Warner | Guest Star | ||
| Phylicia Rashad | Guest Star | ||
| Bill Cosby | Guest Star | ||
| Steven Wright | Guest Star |