| Episode credited cast: |
 | Cathy Aimone-Martin | - | Herself - Associate Professor of Mining Engineering: New Mexico Tech |
| Anna Chong | - | Herself - President: Engineered Demolition Inc. |
| Robert B. Hopler | - | Himself - President: Powderman Consulting Inc. |
| Eric Kelly | - | Himself - Vice President: Engineered Demolition Inc. |
| Phil Kozushko | - | Himself - Former Miner: New Mexico Bureau of Mine Inspection |
| Van Romero | - | Himself - Professor of Physics: New Mexico Tech |
| J. Christopher Ronay | - | Himself - President: Institute of Makers of Explosives |
| Harlan Saperstein | - | Narrator |
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