Directed by
| Jerry Rees | ||
| Gary Trousdale | ... | (opening sequence) |
| Kirk Wise | ... | (opening sequence) |
Cast (in credits order)
| Scott Curtis | ... | Bobby / Buzzy (voice) | |
| Corey Burton | ... | General Knowledge / Chicken (voice) | |
| Natalie Gregory | ... | Annie | |
| Charles Grodin | ... | Left Brain | |
| Jon Lovitz | ... | Right Brain | |
| Kirk Wise | ... | Hypothalamus (voice) | |
| Kevin Nealon | ... | Left Ventricle | |
| Dana Carvey | ... | Right Ventricle | |
| George Wendt | ... | Stomach | |
| Bobcat Goldthwait | ... | Adrenal Gland | |
| Jeff Doucette | ... | Bladder | |
| Gary Trousdale | ... | Trousdale (voice) | |
| Kenneth Kimmins | ... | Principal Herbert Hardcase | |
| B.J. Barie | ... | High School Bully #1 | |
 |
Michael Bavaro | ... | High School Bully (voice) |
Produced by
| Jay Heit | ... | producer |
| Ron Rocha | ... | animation producer |
Music by
| David Newman | ||
Cinematography by
| David M. Walsh | ||
Production Design by
| William F. Matthews | ||
Second Unit Director or Assistant Director
| Michael Haley | ... | first assistant director |
Art Department
| Michael Bavaro | ... | graphic designer |
| Steve Moore | ... | storyboard artist |
| Steve Tatham | ... | set designer |
Animation Department
| Debra Armstrong | ... | key animator |
| Pete Docter | ... | animator |
| Tom Ellery | ... | inbetween artist |
| Broose Johnson | ... | inbetween artist |
| Steve Moore | ... | animator |
| Nik Ranieri | ... | animator |
| David Pruiksma | ... | supervising animator: "Buzzy" (uncredited) |
Music Department
| Tom Brown | ... | music preparation |
| Tom Villano | ... | music editor (uncredited) |
Additional Crew
| Lynn C. Marchionno | ... | first assistant accountant |
| Jacqueline Roberts | ... | production accountant |
