Don Winslow of the Coast Guard

Nestor Paiva as The Scorpion Walter Sande as Lieut. 'Red' Pennington Elyse Knox as Mercedes Colby Lionel Royce as Reichter Henry Victor as Heilrich Don Terry as Comdr. Don Winslow Philip Ahn as Hirota June Duprez as Tasmia Edgar Dearing as C.P.O. Ben Cobb Charles Wagenheim as Mussanti

Richard Brooks Additional Dialogue Ray Taylor Director Lewis D. Collins Director