Barry L. Campbell, head of operations at the San Diego-based U.S. Navy Arctic Submarine Laboratory, who had arranged the opportunity to film in Arctic, also appeared as a seaman.
Barry L. Campbell, San Diegos paikneva USA mereväe Arktika Allveelaevade labori operatsioonide juht, sai ka võimaluse filmis osaleda ja esines meremehena.