As novice detectives, Bud and Lou come face to face with the Invisible Man.
| Writing | Robert Lees | Screenplay |
| Directing | Charles Lamont | Director |
| Writing | Frederic I. Rinaldo | Screenplay |
| Writing | John Grant | Screenplay |
| Writing | Hugh Wedlock Jr. | Story |
| Writing | Howard Snyder | Story |
| Production | Howard Christie | Producer |
| Camera | George Robinson | Director of Photography |
| Editing | Virgil W. Vogel | Editor |
| Art | Bernard Herzbrun | Art Direction |
| Art | Richard H. Riedel | Art Direction |
| Art | John P. Austin | Set Decoration |
| Art | Russell A. Gausman | Set Decoration |
| Costume & Make-Up | Joan St. Oegger | Hairstylist |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Sound | Leslie I. Carey | Sound |
| Sound | Robert Pritchard | Sound |
| Visual Effects | David S. Horsley | Visual Effects |
| Visual Effects | Roswell A. Hoffmann | Visual Effects |
| Sound | Joseph Gershenson | Music Director |
| Writing | H.G. Wells | Story |
| Directing | Ronald R. Rondell | Assistant Director |
| Art | Ed Keyes | Property Master |
| Sound | Daniele Amfitheatrof | Music |
| Sound | Johnny Green | Music |
| Sound | William Lava | Music |
| Sound | Milton Rosen | Music |
| Sound | Ethmer Roten | Musician |
| Sound | Miklós Rózsa | Music |
| Sound | Hans J. Salter | Music |
| Sound | Walter Scharf | Music |
| Sound | Frank Skinner | Music |
| Sound | Eric Zeisl | Music |
