 | David Attenborough als Self |
 | Max Hughes als Young David |
| Alastair Fothergill | Director |
| Keith Scholey | Director |
| Colin Butfield | Executive Producer |
| Alastair Fothergill | Executive Producer |
| Jonathan Hughes | Director |
| Jonathan Hughes | Producer |
| Keith Scholey | Executive Producer |
| Steven Price | Original Music Composer |
| Gavin Thurston | Director of Photography |
| Martin Elsbury | Editor |
| Ilaira Mallalieu | Production Assistant |
| Jane Hamlin | Head of Production |
| Fiona Marsh | Production Manager |
| Laura Meacham | Production Manager |
| Dan Clamp | Technical Supervisor |
| Rebecca Hart | Researcher |
| Michelle Lindley | Researcher |
| Sarah Wann | Researcher |
| Leanne Bowcott | Production Coordinator |
| Amy Fielding | Production Coordinator |
| Stacey Hill | Production Coordinator |
| Nicole Hobart | Production Coordinator |
| Niraj Sharda | Production Coordinator |
| Rachel James | Production Accountant |
| Judi Oborne | Finance |
| Sarah Garner | Finance |
| Elly Salisbury | Manager of Operations |
| Bill Rudolph | Sound |
| Chris Watson | Sound |
| Andrew Yarme | Sound |
| Katie Mayhew | Assistant Camera |
| Tom Thurston | Assistant Camera |
| Ellie De Cent | Field Director |
| Darren Clementson | Additional Photography |
| Paul Collins | Additional Photography |
| Joe Fereday | Additional Photography |
| Jacob Parish | Additional Photography |
| Alejo Sabugo | Additional Photography |
| Barny Trevelyan-Johnson | Additional Photography |
| Charles Dyer | Additional Editor |
| Darren Clementson | Technical Advisor |
| Sean Pearce | Technical Advisor |
| Rob Childs | Lighting Technician |
| Lauren Childs | Lighting Technician |
| George Panayiotou | Post Producer |
| Simon Bland | Online Editor |
| Adam Inglis | Colorist |
| Meghan Spetch | Animation |
| Chris Gunningham | Visual Effects |
| Shaun Littlewood | Visual Effects |
| Martin Ralph | Visual Effects |
| Erik Wernquist | Visual Effects Producer |
| Erik Wernquist | Visual Effects Compositor |
| Andreas Wicklund | Visual Effects Compositor |
| Graham Wild | ADR Mixer |
| Tim Owens | Supervising Sound Editor |
| Jonny Crew | Sound Editor |
| Kate Hopkins | Sound Editor |
| Paul Ackerman | Foley Artist |
| Hannah Gregory | Foley Editor |
| Tom Mercer | Foley Editor |
| David Butterworth | Orchestrator |
| Geoff Alexander | Conductor |
| Gareth Cousins | Mixing Engineer |
| Bradley Farmer | Music Editor |
