Cast & crew
The Unearthly (1957)
Directed by Boris Petroff Written by John D.F. Black, Jane Mann
Cast
| Myron Healey | Mark Houston |
| Allison Hayes | Grace Thomas |
| Marilyn Buferd | Dr. Sharon Gilchrist |
| Tor Johnson | Lobo |
| John Carradine | Dr. Charles Conway |
| Arthur Batanides | Danny Green |
| Sally Todd | Natalie Andries |
| Harry Fleer | Harry Jedrow |
| Guy Prescott | Police Captain George Reagan |
| Raymond Guth | Police Officer Miller |
| Paul McWilliams | Police Officer Ed |
| Roy Gordon | Dr. Loren Wright |
| Gloria Petroff | Screaming Woman |
| Karl Johnson | Monster in Basement (uncredited) |
| Harry Wilson | Monster in Basement (uncredited) |
Crew
| Robert A. Terry | Associate Producer |
| Betty Sinclair | Production Manager |
| Jane Mann | Original Story |
| Boris Petroff | Director |
| John D.F. Black | Screenplay |
| Jane Mann | Screenplay |
| W. Merle Connell | Director of Photography |
| Henry Vars | Original Music Composer |
| Daniel Hall | Art Direction |
| Mowbray Berkeley | Set Decoration |
| Boris Petroff | Producer |
| Tony Portoghese | Property Master |
| Art Manikin | Grip |
| W.T. Zacha | Wardrobe Supervisor |
| Harry Thomas | Makeup Designer |
| Paul Grancell | Electrician |
| Philip Mitchell | Sound |
| Richard C. Currier | Supervising Editor |
| Ben Wetzler | Camera Operator |
| Michael Terr | Music Supervisor |