Robin Williams pays tribute to his friend and comedic colleague, Richard Pryor, excerpted from the 1998 Kennedy Center Mark Twain Prize for American Humor.
| Name | Type | Role | |
|---|---|---|---|
| Peter Kaminsky | Writer | ||
| Bob Kaminsky | Writer | ||
| Jennifer Lee | Producer | ||
| Robin Seidon | Producer | ||
| Robin Williams | Guest Star | Himself | |
| Dick Gregory | Guest Star | Himself | |
| Whoopi Goldberg | Guest Star | Herself | |
| Kris Kristofferson | Guest Star | Himself | |
| Richard Pryor | Guest Star | Himself / Honoree | |
| Gene Wilder | Guest Star | Himself | |
| Chevy Chase | Guest Star | Himself | |
| Richard Belzer | Guest Star | Himself | |
| Tim Allen | Guest Star | Himself | |
| Morgan Freeman | Guest Star | Himself | |
| Danny Glover | Guest Star | Himself | |
| David Steinberg | Guest Star | Himself (2019 Introduction) | |
| Ruth Brown | Guest Star | Herself | |
| Chris Rock | Guest Star | Himself | |
| Damon Wayans | Guest Star | Himself | |
| George Jackson | Executive Producer | ||
| Thom Mount | Executive Producer | ||
| Lauren Gray | Executive Producer | ||
| Linda Mendoza | Director | ||
| Bob Kaminsky | Creator | ||
| Peter Kaminsky | Creator | ||
| Mark Krantz | Creator |