Cary Grant as Lieutenant Commander Matt Sherman

Tony Curtis as Lieutenant Nicholas Holden

Joan O'Brien as 2nd Lieutenant Dolores Crandall

Dina Merrill as 2nd Lieutenant Barbara Duran

Gene Evans as Chief Molumphry

Dick Sargent as Ensign Stovall (as Richard Sargent)

Virginia Gregg as Major Edna Heywood

Robert F. Simon as Captain J.B. Henderson

Robert Gist as Lieutenant Watson

Gavin MacLeod as Yeoman Ernest Hunkle

George Dunn as Prophet

Dick Crockett as Petty Officer Harmon

Madlyn Rhue as 2nd Lieutenant Reid

Marion Ross as 2nd Lieutenant Colfax

Clarence Lung as Sergeant Ramon Gillardo

Frankie Darro as Pharmacist's Mate 3rd Class Dooley

Tony Pastor, Jr. as Fox

Robert F. Hoy as Reiner

Nicky Blair as Seaman Kraus

John W. Morley as Williams

Arthur O'Connell as Chief Motor Machinist's Mate Sam Tostin

Hal Baylor as Military Police Sergeant (uncredited)

William Bryant as Crewman (uncredited)

Bert Byers as Bowman (uncredited)

Dick Callinan as Lieutenant Morrison (uncredited)

Gordon Casell as Colonel Higginson (uncredited)

Malcolm Cassell as Sailor (uncredited)

H. Haile Chace as Soldier (uncredited)

Tony Corrado as Fireman Lye (uncredited)

Dale Cummings as Military Policeman (uncredited)

Francis De Sales as Captain Kress (uncredited)

Vince Deadrick Sr. as (uncredited)

Alan Dexter as Navy Chief (uncredited)

Tusi Faiivae as Witch Doctor (uncredited)

Paul Frees as Colonel in Jeep on Cebu (voice) (uncredited)

Bob Gibson as Seaman (uncredited)

Larry Gilliland as Sailor (uncredited)

Preston Hanson as Simpson (uncredited)

Fred Harflinger II as Sailor (uncredited)

Harry Harvey Jr. as Soldier (uncredited)

Vi Ingraham as Pregnant Filipino Woman (uncredited)

Glenn Jacobson as Control Tower Staff (uncredited)

Robert Keys as Military Policeman (uncredited)

Joseph Kim as Filipino (uncredited)

William Kinney as (uncredited)

James Lanphier as Daly (uncredited)

Nelson Leigh as Admiral Koenig (uncredited)

Leon Lontoc as Filipino Farmer (uncredited)

John James Russell as Sailor (uncredited)

Alan Scott as Chief of Demolition (uncredited)

Bob Stratton as Marine Lieutenant (uncredited)

Nino Tempo as Crewman (uncredited)

Howard Venezia as Soldier (uncredited)

Francis L. Ward as Petty Officer (uncredited)

Robert C. Youmans as Lieutenant (uncredited)