Robert Klein
| Year | Cartoon | Series | Credit |
|---|---|---|---|
| 1982 | The Last Unicorn | Feature Films | Voice (Butterfly) |
| 1991 | Mike Mulligan And His Steamshovel | Michael Sporn Animation, Inc. | Voice (Narrator) |
| 1997 | Love! Anger! Kvetching! | Duckman | Voice (Uncle Mo Dorkin) |
| 1997 | Hamlet 2: This Time It's Personal | Duckman | Voice (Ghost of Uncle Mo Dorkin) |