 Cary GrantCmdr. Andrew " Andy" Crewson | Cmdr. Andrew " Andy" Crewson |
 Jayne MansfieldAlice Kratzner | Alice Kratzner |
 Leif EricksonEddie Turnbill | Eddie Turnbill |
 Suzy ParkerGwinneth Livingston | Gwinneth Livingston |
 Ray WalstonLt. (j.g.) Howard McCann | Lt. (j.g.) Howard McCann |
 Larry Blyden"Mississip" Hardy | "Mississip" Hardy |
 Werner KlempererLt. Walter Wallace | Lt. Walter Wallace |
 Nathaniel FreyRuddle | Ruddle |
 Jack MullaneyAlbert Lewis | Albert Lewis |
 Harry Carey Jr.Chuck Roundtree (uncredited) | Chuck Roundtree (uncredited) |
 William PhippsAl Hendrick (uncredited) | Al Hendrick (uncredited) |
 Richard DeaconBill Hotchkiss (uncredited) | Bill Hotchkiss (uncredited) |
 Frank NelsonR.L. Nielson (uncredited) | R.L. Nielson (uncredited) |
 John DoucetteShore Patrol Officer (uncredited) | Shore Patrol Officer (uncredited) |
 Kathleen FreemanNurse Wilinski (uncredited) | Nurse Wilinski (uncredited) |
 Maudie PrickettNurse (uncredited) | Nurse (uncredited) |
 Nancy KulpHospital Switchboard Operator (uncredited) | Hospital Switchboard Operator (uncredited) |
 Peter LeedsReporter (uncredited) | Reporter (uncredited) |
 Ben WrightBritish Pilot (uncredited) | British Pilot (uncredited) |
