Robin Williams pays tribute to his friend and comedic colleague, Whoopi Goldberg, excerpted from the 2001 Kennedy Center Mark Twain Prize for American Humor.
| Name | Type | Role | |
|---|---|---|---|
| Bob Kaminsky | Writer | ||
| Peter Kaminsky | Writer | ||
| Jerry Kupfer | Producer | ||
| Whoopi Goldberg | Guest Star | Herself / Honoree | |
| Billy Crystal | Guest Star | Himself | |
| Wanda Sykes | Guest Star | Herself | |
| Robin Williams | Guest Star | Himself | |
| Tommy Davidson | Guest Star | Himself | |
| Chris Tucker | Guest Star | Himself | |
| Harry Belafonte | Guest Star | Himself | |
| Alan King | Guest Star | Himself | |
| Bruce Vilanch | Guest Star | Himself | |
| Cedric the Entertainer | Guest Star | Himself | |
| Tim Reid | Guest Star | Himself | |
| Celia Cruz | Guest Star | Herself | |
| Caroline Rhea | Guest Star | Herself | |
| David S. Thompson | Executive Producer | ||
| Dalton Delan | Executive Producer | ||
| Christine Clark Bradley | Director | ||
| Bob Kaminsky | Creator | ||
| Peter Kaminsky | Creator | ||
| Mark Krantz | Creator |