| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Adam Barr | Crew | Writing | Writer | 6 |
Bob Young | Crew | Writing | Writer, Creator | 2 |
 Brian Henson | Crew | Production | Producer, Director | 65 |
 Bruce Broughton | Crew | Sound | Original Music Composer | 1 |
Dava Savel | Crew | Writing | Writer, Teleplay | 6 |
Duane Hartzell | Crew | Editing | Editor | 1 |
Howard Deane | Crew | Editing | Editor | 1 |
 Jane Espenson | Crew | Writing | Writer | 2 |
Jay Dubin | Crew | Directing | Director | 3 |
 Jeff McCracken | Crew | Directing | Director, Producer | 4 |
 Jim Henson | Crew | Crew | In Memory Of | 1 |
John C. Mula | Crew | Art | Production Design | 3 |
 Kirk R. Thatcher | Crew | Writing | Story, Writer, Teleplay | 1 |
Lawrence H. Levy | Crew | Writing | Writer | 1 |
Marco Zappia | Crew | Editing | Editor | 1 |
Michael Jacobs | Crew | Writing | Writer, Creator | 2 |
 Peter Ocko | Crew | Writing | Writer | 6 |
Ray Colcord | Crew | Sound | Original Music Composer | 2 |
Reza Badiyi | Crew | Directing | Director | 2 |
Richard Day | Crew | Writing | Writer | 1 |
Robert E. Collins | Crew | Camera | Director of Photography | 3 |
Steve Pepoon | Crew | Writing | Writer, Story | 1 |
Tom Trbovich | Crew | Directing | Director | 27 |
 Victor Fresco | Crew | Writing | Writer | 5 |
 William Dear | Crew | Directing | Director | 1 |
Richard Marcus | Crew | Writing | Writer | 1 |
Rich Tabach | Crew | Writing | Writer | 1 |
Tim Doyle | Crew | Writing | Writer, Teleplay | 9 |
Patrick Johnson | Crew | Directing | Director | 1 |
Bruce Bilson | Crew | Directing | Director | 17 |
Brian Savegar | Crew | Art | Set Decoration | 3 |
Mark Drop | Crew | Writing | Writer | 4 |
Max Tash | Crew | Directing | Director | 1 |
Brian LaPan | Crew | Writing | Teleplay, Writer | 1 |
Michael Jacobs | Crew | Production | Executive Producer | 65 |
Kevin Pfeiffer | Crew | Art | Art Direction | 1 |
Mark Brull | Crew | Directing | Director | 6 |
Andy Goodman | Crew | Writing | Writer, Story | 7 |
 Allan Trautman | Cast | Actor | Georgie (voice) | 1 |
Brian Henson | Cast | Actor | Aubrey Molehill (voice) | 1 |
 Bruce Lanoil | Cast | Actor | Judge (voice) | 1 |
 Buddy Hackett | Cast | Actor | Louie (voice) | 1 |
 Charles Kimbrough | Cast | Actor | Dr. Ficus (voice) | 1 |
 Christopher Meloni | Cast | Actor | Spike (voice) | 11 |
 Conchata Ferrell | Cast | Actress | Shelly (voice) | 1 |
 Dan Castellaneta | Cast | Actor | Zabar (voice) | 1 |
 David Leisure | Cast | Actor | Mr. Teddy Wolfe (voice) | 1 |
 David Warner | Cast | Actor | Spirit of the Tree (voice) | 1 |
 David Wohl | Cast | Actor | Bob (voice) | 2 |
 Edie McClurg | Cast | Actress | Shopper (voice) | 1 |
 Ed Asner | Cast | Actor | Evil Georgie (voice) | 1 |
 Ernie Anderson | Cast | Actor | Announcer (voice) | 1 |
 Florence Stanley | Cast | Actress | Grandma Ethyl Phillips (voice) | 33 |
Fred Travalena | Cast | Actor | Bob Hack (voice) | 1 |
 G.W. Bailey | Cast | Actor | Sarge (voice) | 1 |
 Gary Owens | Cast | Actor | Narrator (voice) | 4 |
 George Gaynes | Cast | Actor | Elder in Chief (voice) | 1 |
 Glenn Shadix | Cast | Actor | Ray (voice) | 1 |
 Harold Gould | Cast | Actor | Dinosaur Chief (voice) | 1 |
Jack L. Harrell | Cast | Actor | Mr. Harold Heffer (voice) | 1 |
 Jason Alexander | Cast | Actor | UFO! Host / Announcer (voice) | 1 |
 Jason Bernard | Cast | Actor | Edward R. Hero (voice) | 1 |
Jason Willinger | Cast | Actor | Robbie Sinclair (voice) | 65 |
Jeff Chayette | Cast | Actor | Ling Ling | 1 |
 Jeffrey Tambor | Cast | Actor | Hank Hibler (voice) | 1 |
 Jessica Lundy | Cast | Actress | Vendor (voice) | 1 |
 Jessica Walter | Cast | Actress | Fran Sinclair (voice) | 65 |
 Joe Flaherty | Cast | Actor | Elder (voice) | 1 |
 John Glover | Cast | Actor | Babysitter (voice) | 1 |
 John Vernon | Cast | Actor | Mr. Ashland (voice) | 1 |
 Jon Polito | Cast | Actor | Ty Warner (voice) | 1 |
Joyce Kurtz | Cast | Actress | Brigitte (voice) | 1 |
 Julia Louis-Dreyfus | Cast | Actress | Heather Worthington (voice) | 1 |
 Julianne Buescher | Cast | Actress | Simone Poupon (voice) | 1 |
 Julie Maddalena | Cast | Actress | Caveman's Wife | 1 |
 Julius Carry | Cast | Actor | Mudbelly (voice) | 1 |
 Kate McGregor-Stewart | Cast | Actress | Neighbor No. 3 (voice) | 1 |
 Ken Hudson Campbell | Cast | Actor | Crazy Lou (voice) | 1 |
 Kevin Clash | Cast | Actor | Baby Sinclair (voice) | 65 |
Kirk R. Thatcher | Cast | Actor | Wereman (voice) | 1 |
 Michael Dorn | Cast | Actor | Television Announcer (voice) | 1 |
 Michael McKean | Cast | Actor | Les (voice) | 1 |
 Michael Richards | Cast | Actor | Director (voice) | 1 |
 Michelan Sisti | Cast | Actor | Additional Dinosaur Performer / Cavepeople | 3 |
 Mimi Kennedy | Cast | Actress | Glenda Molehill (voice) | 1 |
 Pat Crawford Brown | Cast | Actress | Stenographer (voice) | 1 |
 Paula Marshall | Cast | Actress | Cavewoman | 1 |
 Paxton Whitehead | Cast | Actor | Judge (voice) | 1 |
 Perry Anzilotti | Cast | Actor | Chang Chang | 1 |
 Peter Bonerz | Cast | Actor | Insurance Agent (voice) | 1 |
 Richard Portnow | Cast | Actor | Mel Luster (voice) | 3 |
 Richard Simmons | Cast | Actor | Richard Simmons Dinosaur (voice) | 1 |
 Robert Picardo | Cast | Actor | Muse (voice) | 1 |
 Sally Kellerman | Cast | Actress | Pteranodon (voice) | 1 |
 Sally Struthers | Cast | Actress | Charlene Sinclair (voice) | 65 |
 Sam McMurray | Cast | Actor | Roy Hess / Stan (voice) | 1 |
 Shaun Baker | Cast | Actor | Lingo (voice) | 1 |
 Sherman Hemsley | Cast | Actor | B.P. Richfield (voice) | 29 |
 Stephen Caffrey | Cast | Actor | Scabby (voice) | 1 |
 Steve Landesberg | Cast | Actor | Gary (voice) | 1 |
 Steve Whitmire | Cast | Actor | Woody (voice) | 1 |
 Steven Banks | Cast | Actor | Folk Singer (voice) | 1 |
 Stuart Pankin | Cast | Actor | Earl Sinclair (voice) | 65 |
Susan Norfleet | Cast | Actress | Pearl Sinclair (voice) | 1 |
 Suzie Plakson | Cast | Actress | Elder #3 (voice) | 1 |
 Thom Sharp | Cast | Actor | Ed (voice) | 1 |
 Tim Curry | Cast | Actor | Jean-Claude (voice) | 1 |
 Tony Shalhoub | Cast | Actor | Jerry Valentine (voice) | 1 |
 Wendie Jo Sperber | Cast | Actress | Wendy Richfield (voice) | 1 |
 William Schallert | Cast | Actor | Wesayso Scientist (voice) | 1 |
 Heather McPhaul | Cast | Actress | Caller (voice) | 1 |
 Harry Shearer | Cast | Actor | Narrator (voice) | 1 |
Tim Doyle | Cast | Actor | General Chow (voice) | 1 |
Chuck Varesko | Cast | Television Announcer (voice) | 1 | |
Elizabeth Collins | Cast | Leeza (voice) | 1 | |
Michael Earl | Cast | Refrigerator Monster (voice) | 1 | |
| Person | Type | Job | Role(s) | Episodes |
