Navy frogman Ted Jackson balances his time between twin careers as a deep-sea diver and nightclub singer. During a dive, Ted spots sunken treasure and returns with the hope to retrieve it.
| Actor | Role |
|---|---|
 Elvis PresleyTed Jackson | Ted Jackson |
 Dodie MarshallJo Symington | Jo Symington |
 Pat PriestDina Bishop | Dina Bishop |
 Pat Harrington Jr.Judd Whitman | Judd Whitman |
 Skip WardGil Carey | Gil Carey |
 Sandy KenyonSchwartz | Schwartz |
 Frank McHughCaptain Jack | Captain Jack |
| EEd GriffithCooper | Cooper |
 Read MorganEns. Tompkins | Ens. Tompkins |
| MMickey ElleyEns. Whitehead | Ens. Whitehead |
| EElaine BeckettVicki | Vicki |
| SShari NimsMary | Mary |
| DDiki LernerZoltan | Zoltan |
| RRobert IsenbergArtist | Artist |
 Elsa LanchesterMadame Neherina | Madame Neherina |
| TTom HattenLieutenant Junior Grade (uncredited) | Lieutenant Junior Grade (uncredited) |
 James HibbardDancer (uncredited) | Dancer (uncredited) |
| JJonathan HoleCoin Dealer (uncredited) | Coin Dealer (uncredited) |