Cast & crew
The Mad Monster (1942)
Directed by Sam Newfield Written by Fred Myton
Cast
| Eddie Holden | Jed |
| Robert Strange | Blaine Tuttle |
| Gordon De Main | Professor Pacoli |
| Sarah Padden | Grandmother |
| Ed Cassidy | Jenny's Father |
| Glenn Strange | Petro Chumak |
| George Zucco | Cameron |
| John Elliott | Hatfield |
| Johnny Downs | Gregory |
| Anne Nagel | Lenora |
| Gordon De Main | Delilah Fitzgerald |
| George Zucco | Cameron |
| Eddie Holden | Harper |
| Glenn Strange | Petro Chumak |
| Reginald Barlow | Professor Pacoli |
| Robert Strange | Professor Pacoli |
| Johnny Downs | Gregory |
| Anne Nagel | Lenora |
| Sarah Padden | Grandmother |
| Henry Hall | Doctor |
| Mae Busch | Lieutenant Dan's Fiancée, Susan |
| Reginald Barlow | Pommet Warwick |
| Mae Busch | Lieutenant Dan's Fiancée, Susan |
| John Elliott | Hatfield |
| Ed Cassidy | Jenny's Father |
| Henry Hall | Doctor |
Crew
| Eugene C. Stone | Special Effects |
| Melville De Lay | Assistant Director |
| David Chudnow | Original Music Composer |
| Harry Ross | Makeup Artist |
| Eugene C. Stone | Special Effects |
| Hans Weeren | Sound Engineer |
| Jack Greenhalgh | Director of Photography |
| Jack Greenhalgh | Director of Photography |
| Bert Sternbach | Production Manager |
| Fred Myton | Screenplay |
| Bert Sternbach | Production Manager |
| Melville De Lay | Assistant Director |
| Fred Myton | Screenplay |
| Sigmund Neufeld | Producer |
| Sam Newfield | Director |
| David Chudnow | Original Music Composer |
| Fred Preble | Art Direction |
| Holbrook N. Todd | Editor |
| Fred Preble | Art Direction |
| Hans Weeren | Sound Engineer |
| Harry Ross | Makeup Artist |
| Sigmund Neufeld | Producer |
| Sam Newfield | Director |
| Holbrook N. Todd | Editor |