Discover
Original Release
09/09/1978
Cast
| Name | Character |
|---|
| Mike Road | Mr. Fantastic (voice) / Mr. Fantastic / Reed Richards |
| Ginny Tyler | Invisible Girl (voice) / Sue Richards / The Invisible Girl |
| Ted Cassidy | The Thing (voice) / Ben Grimm / The Thing |
| Frank Welker | H.E.R.B.I.E. (voice) / H.E.R.B.I.E. |
| Hal Smith | (voice) |
| John Stephenson | Doctor Doom / Presenter at Science Convention |
| Dick Tufeld | Opening Narrator / Narrator (voice) |
| Don Messick | (voice) |
| Gene Moss | (voice) |
| Nancy Wible | (voice) |
Creators
Cast
| Name | Character |
|---|
| Mike Road | Mr. Fantastic (voice) / Mr. Fantastic / Reed Richards |
| Ginny Tyler | Invisible Girl (voice) / Sue Richards / The Invisible Girl |
| Ted Cassidy | The Thing (voice) / Ben Grimm / The Thing |
| Frank Welker | H.E.R.B.I.E. (voice) / H.E.R.B.I.E. |
| Hal Smith | (voice) |
| John Stephenson | Doctor Doom / Presenter at Science Convention |
| Dick Tufeld | Opening Narrator / Narrator (voice) |
| Don Messick | (voice) |
| Gene Moss | (voice) |
| Nancy Wible | (voice) |
| Joan Gerber | (voice) |
| Vic Perrin | (voice) |
Producers
| Name | Role |
|---|
| David H. DePatie | Producer |
| Friz Freleng | Producer |
