| CAST | CONNECTIONS | |
|---|---|---|
| Bela Lugosi | Dr. Eric Vornoff | » [105] THE CORPSE VANISHES |
| Tor Johnson | Lobo | » [621] THE BEAST OF YUCCA FLATS » [320] THE UNEARTHLY |
| Tony McCoy | Lt. Dick Craig | |
| Loretta King | Janet Lawton | |
| Harvey B. Dunn | Capt. Tom Robbins | » [613] THE SINISTER URGE » [404] TEENAGERS FROM OUTER SPACE |
| George Becwar | Prof. Vladimir Strowski | » [319] WAR OF THE COLOSSAL BEAST |
| Paul Marco | Officer Kelton | |
| Don Nagel | Det. Marty Martin (as Don Nagle) | |
| Bud Osborne | Lafe 'Mac' McCrea | |
| John Warren | Jake Long | |
| Ann Wilner | Tillie | |
| Dolores Fuller | Margie | |
| William 'Billy' Benedict | Newsboy (as William Benedict) | |
| Ben Frommer | Drunk | |
| Conrad Brooks | Suspect Outside Office... | » [621] THE BEAST OF YUCCA FLATS » [613] THE SINISTER URGE |