US Navy battles monsters unearthed from the frozen arctic.
| Actor | Role |
|---|---|
 Anthony EisleyLt. Charles Brown | Lt. Charles Brown |
 Mamie Van DorenNora Hall | Nora Hall |
 Edward FaulknerBob Spaulding | Bob Spaulding |
 Walter SandeDr. Arthur Beecham | Dr. Arthur Beecham |
 Bobby VanEns. Rutherford Chandler | Ens. Rutherford Chandler |
 Billy GrayCPO Fred Twining | CPO Fred Twining |
| KKaye ElhardtDiane | Diane |
 Pamela MasonMarie | Marie |
 Russ BenderMcBride | McBride |
 Taggart CaseyWarr. Off. Holly Hollister | Warr. Off. Holly Hollister |
 Biff ElliotCmdr. Arthur Simpson | Cmdr. Arthur Simpson |
 David BrandonNot listed | Not listed |
 Phillip TerryBase Medical Officer | Base Medical Officer |
| MMike SargentNot listed | Not listed |
| DDel 'Sonny' WestNot listed | Not listed |
| WWilliam MeigsNot listed | Not listed |
| GGarrett MylesNot listed | Not listed |
| PPaul RhoneNot listed | Not listed |