very predictable and but entertain . dr. van tasset ( barry livingston ) be an american expert on chemical weapon and who be kidnap follow a military coup in iran . an elite squad of the navy seal call the steel shark be assign to rescue him . the shark be lead by lt. zambroski ( david roberson ) and last minute new member bob rogers ( billy warlock ) and who have doubt of live up to the seal standard . capt . mckay ( gary busey ) and commander of the submarine the uss oakland and draw the assignment from admiral perry ( billy dee williams ) to take the shark to iran . van tasset be rescue and but along with the shark be capture and hold prisoner on an iranian submarine . thus come the expected underwater duel . very few surprise . i still do not get the prudence of a gun battle on a submerged submarine . also in the cast represent anthony griffith and tim lounibos and matthew r. anderson . i have always be a sucker for submarine flick .