| Person | Type | Job | Role(s) |
|---|---|---|---|
 Brent Sumner | Crew | Editing | Editor |
Mimi Armstrong DeGruy | Crew | Directing | Director, Producer |
Shannon Dybvig | Crew | Production | Co-Producer |
 David Attenborough | Cast | Actor | Self |
 James Cameron | Cast | Actor | Self |
Paul Atkins | Cast | Actor | Self |
 Michael deGruy | Cast | Actor | Self (archive footage) |
 Sylvia Earle | Cast | Actress | Self |
Bruce Carlson | Cast | Self | |
Max DeGruy | Cast | Self | |
Mimi Armstrong DeGruy | Cast | Self | |
Gracie Atkins | Cast | Self | |
Frances DeGruy | Cast | Self | |
Frank DeGruy | Cast | Self | |
Glenn DeGruy | Cast | Self | |
Katherine DeGruy | Cast | Self | |
Ken DeGruy | Cast | Self | |
Peck Euwer | Cast | Self | |
| Person | Type | Job | Role(s) |
