Writing Credits (in alphabetical order)
| Richard Mackenzie | ... | (supervising writer) |
Cast (in credits order)
 |
Lance Lewman | ... | Self - Narrator (voice) |
| Rest of cast listed alphabetically: | |||
|
|
Tim Clutton-Brock | ... | Self |
|
|
Grant Malcolm McIlrath | ... | Self (as Grant McIlrath) |
Produced by
| Sarah Cunliffe | ... | executive producer |
| Bruce Norfleet | ... | supervising producer: National Geographic Television |
| David Royle | ... | executive producer: National Geographic Television |
| Nick Stringer | ... | producer |
Music by
| Elizabeth Parker | ||
Editing by
| Rick Aplin | ||
Production Management
| Beth Mays | ... | post-production supervisor: National Geographic Television |
Sound Department
| Richard Sprawson | ... | sound |
Camera and Electrical Department
| Doug Anderson | ... | assistant camera |
Additional Crew
| C. Richard Allen | ... | president and ceo: National Geographic Ventures |
| John M. Fahey Jr. | ... | president and ceo: The National Geographic Society |
| Ken Ferguson | ... | chief operating officer: National Geographic Television |
| Jessica Louchheim | ... | researcher |
Thanks
| Tim Clutton-Brock | ... | special thanks |
| Grant Malcolm McIlrath | ... | special thanks (as Grant McIlrath) |