Cary Grant
Cmdr. Andrew " Andy" Crewson
Ray Walston
Lt. (j.g.) Howard McCann
Harry Carey, Jr.
Chuck Roundtree (uncredited)
Kathleen Freeman
Nurse Wilinski (uncredited)
Leif Erickson
Eddie Turnbill
Werner Klemperer
Lt. Walter Wallace
Nancy Kulp
Hospital Switchboard Operator (uncredited)
John Doucette
Shore Patrol Officer (uncredited)
Jayne Mansfield
Alice Kratzner
Ben Wright
British Pilot (uncredited)
Richard Deacon
Bill Hotchkiss (uncredited)
Jack Mullaney
Albert Lewis
William Phipps
Al Hendrick (uncredited)
Frank Nelson
R.L. Nielson (uncredited)
Peter Leeds
Reporter (uncredited)
Suzy Parker
Gwinneth Livingston
Maudie Prickett
Nurse (uncredited)
Larry Blyden
"Mississip" Hardy
Nathaniel Frey
Ruddle