Secrets of the Unknown: Tornadoes (1987)
- Genre: Documentary
- Release Date: 1987-01-01
- Runtime: 0h 27min
- Production Company: Capital Cities/ABC Video Enterprises
- Production Country: United States of America
- Directors: Glenn Kirschbaum, Graeme Whifler.
Tornadoes explores nature's deadly spirals. Highlights include actual footage of the violent force and the mass destruction that tornadoes create.
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| Camera | Bruce Olinger | Director of Photography |
| Production | Clark Hunter | Production Designer |
| Production | Erik Nelson | Producer |
| Camera | Sharon Alley | Assistant Camera |
| Directing | Glenn Kirschbaum | Director |
| Sound | Mark Sheret | Sound |
| Production | Craig Haffner | Executive Producer |
| Directing | Michelle Tancredi | Script Supervisor |
| Art | Debra Switzer | Property Master |
| Writing | Erik Nelson | Writer |
| Directing | Graeme Whifler | Director |
| Costume & Make-Up | Gail Hagopian | Makeup Artist |
| Lighting | Rudy Pohlert | Gaffer |
| Production | David M.Frank | Coordinating Producer |
| Production | Nan Allendorfer | Associate Producer |
| Camera | Kim Heath | Key Grip |
| Lighting | Casey Nelson | Gaffer |
| Production | Glenn Kirschbaum | Coordinating Producer |
