When a terrifying tower of fire is caught on camera, eyewitnesses fear an alien invasion, and using cutting-edge science, experts investigate the threat causing this nightmarish phenomenon -- and if a cover-up is hiding the truth.
| Name | Type | Role | |
|---|---|---|---|
| David Skudder | Producer | Series Producer | |
| Heather Burke | Guest Star | Self - Denver City Official | |
| Chris Bell | Guest Star | Self - Meteorologist | |
| Greg Szulgit | Guest Star | Self - Biologist | |
| Daniel Davis | Guest Star | Self - Former Army Colonel | |
| Leslie Samuel | Guest Star | Self - Biologist | |
| Kelly Price | Guest Star | Self - Biologist | |
| Kate Oman | Guest Star | Self - Eyewitness | |
| Jeff Wise | Guest Star | Self - Science Journalist | |
| Carlo Muñoz | Guest Star | Self - Military Analyst | |
| Alan Shapiro | Guest Star | Self - Science Communicator | |
| Conor McCourt | Guest Star | Self - Image Analyst | |
| Joe Pappalardo | Guest Star | Self - Science Journalist | |
| Kiki Sanford | Guest Star | Self - Neurophysiologist | |
| Sian Proctor | Guest Star | Self - Environmental Scientist | |
| Dave Farina | Guest Star | Self - Science Journalist | |
| Jayde Lovell | Guest Star | Self - Neuroscientist | |
| Lindsay Moran | Guest Star | Self - Ex CIA | |
| Jon Farrow | Guest Star | Self - Science Journalist | |
| Chris Walcek | Guest Star | Self - Meteorologist | |
| Kishore Hari | Guest Star | Self - Chemist | |
| Deborah Hyde | Guest Star | Self - Anthropologist | |
| Steven Schowalter | Guest Star | Self - Physicist | |
| Martin Durkin | Executive Producer | ||
| Wyatt Channell | Executive Producer | for SCIENCE CHANNEL | |
| Mark Carter | Executive Producer |