The Unknown Terror
| MPAA Rating: | NR |
| Genre: | Horror, Sci Fi |
| Country: | United States |
| Produced By: | Robert Stabler |
| Directed By: | Charles Marquis Warren |
| Written By: | Kenneth Higgins |
| Cast: | Martin Garralaga, Sir Lancelot, Richard Gilden, William Hamel, Gerald Milton, Mala Powers, May Wynn, Paul Richards, John Howard, Charles Postal, Charles H. Gray, Duane Grey, Patrick O'Moore |
| In Theaters: | Aug 12, 1957 |
| Runtime: | 1 hour 16 minutes |
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