| Person | Type | Job | Role(s) |
|---|---|---|---|
 Joseph Barbera | Crew | Writing | Characters, Executive Producer, Director |
 William Hanna | Crew | Writing | Characters |
 Allison Moore | Cast | Actress | Dee Dee (voice) |
 Brenda Vaccaro | Cast | Actress | Bunny Bravo (Voice) |
 Casey Kasem | Cast | Actor | (voices) |
 Cathy Cavadini | Cast | Actress | Blossom (Voice) |
 Charlie Adler | Cast | Actor | I.R. Baboon (Voice) / Cow (Voice) / Chicken (Voice) / Red Guy (Voice) |
 Christine Cavanaugh | Cast | Actress | Dexter (Voice) |
 Don Messick | Cast | Actor | (archive footage) |
 Elizabeth Daily | Cast | Actress | Buttercup (Voice) |
 Frank Welker | Cast | Actor | (voices) |
 Greg Eagles | Cast | Actor | The Grim Reaper (Voice) |
 Grey DeLisle | Cast | Actress | Mandy (Voice) |
 Jeff Bennett | Cast | Actor | Jhonny Bravo (Voice) |
 Jim Cummings | Cast | Actor | (voice) |
Joseph Barbera | Cast | Actor | (voice) |
 Mae Whitman | Cast | Actress | Little Suzy (Voice) |
 Mark Hamill | Cast | Actor | (voices) |
 Marty Grabstein | Cast | Actor | Courage (Voice) |
 Michael Dorn | Cast | Actor | I.M. Weasel (Voice) |
 Mindy Cohn | Cast | Actress | (voice) |
 Richard Steven Horvitz | Cast | Actor | Billy (Voice) |
 Tara Strong | Cast | Actress | Bubbles (Voice) |
 Thea White | Cast | Actress | Muriel Bagge |
 Tom Kane | Cast | Actor | Professor Utonium (Voice) |
 Tom Kenny | Cast | Actor | The Mayor (Voice) |
William Hanna | Cast | Actor | (voice) |
 Ted Turner | Cast | Actor | (archive footage) |
| Person | Type | Job | Role(s) |
