![]() | After exposure to radiation, an atomic research scientist finds himself changing into a murderous, lizard-like creature every time he is exposed to sunlight. |
| Robert Clarke | - | Dr. Gilbert McKenna |
| Patricia Manning | - | Ann Russell |
| Nan Peterson | - | Trudy Osborne |
| Patrick Whyte | - | Dr. Frederick Buckell |
| Fred La Porta | - | Dr. Jacob Hoffman |
| Peter Similuk | - | George Messorio |
| William White | - | Police Lt. Peterson |
| Robert Garry | - | Dr. Stern |