A documentary about men who are courageous enough to risk their lives undertaking challenges, sports-related and not, that are at the limit of human capabilities.
| Directing | William Friedkin | Director |
| Writing | Don Bresnahan | Writer |
| Production | Julian Ludwig | Producer |
| Production | Mel Stuart | Executive Producer |
| Production | Sam Farnsworth | Associate Producer |
| Editing | Bud S. Smith | Editor |
| Crew | Ángel Bilbatúa | Cinematography |
| Crew | Bob Bukor | Cinematography |
| Crew | Bill Butler | Cinematography |
| Crew | Miki Carter | Cinematography |
| Crew | James Crabe | Cinematography |
| Crew | Doyle Fields | Cinematography |
| Crew | Vilis Lapenieks | Cinematography |
| Crew | Grant Rohloff | Cinematography |
| Crew | Primo Sanchez | Cinematography |
| Crew | Bud S. Smith | Cinematography |
| Sound | Elmer Bernstein | Music Supervisor |
