Mystery Sea Raider

June McCarthy has unwittingly aided an undercover Nazi naval officer with acquiring a "mother ship" for German submarines in the Atlantic.

• Edward DmytrykDirector
• Edward E. Paramore Jr.Writer

• Carole LandisJune McCarthy
• Henry WilcoxonCaptain Jimmy Madden
• Onslow StevensCarl Cutler
• Kathleen HowardMaggie Clancy
• Wally RairdenBlake, 3rd Mate
• Sven Hugo BorgSven
• Henry VictorCmdr. Bulow
• Roland VarnoLt. Schmidt
• Louis AdlonLerner
• Willy KaufmanLt. Felder
• Monte BlueCaptain Norberg
• Matthew BoultonCaptain Howard