Glenn Ford as William A. Talbot

Viveca Lindfors as Karin Hansen

Henry O'Neill as Thomas A. Scott

John Qualen as Lars Hansen

Carl Benton Reid as Dr. Gates

Joe Sawyer as Fuss Payne

Anthony Ross as Adm. Bradley

Harry Shannon as Vice Admiral Williams

Jerry Paris as Andy Mason

John Hamilton as Senator

Kenneth Tobey as Pete McEvoy

Paul Harvey as Gen. Benton

Hugh Beaumont as Maj. Wilson

John Doucette as Security Officer

Ross Ford as Crewman Chuck Davis

Zachary Charles as Crewman Mack

John Baer as Jet Pilot

Robert Bice as Airbase Military Police Officer

Helen Brown as Navy Nurse

Harry Cheshire as First Senator

Steven Clark as Jet Pilot

Joseph Crehan as Rear Admiral

John Dehner as Lieutenant Commander

William Donnelly as Myers

John Doucette as Air Base Civilian Security Officer

Paul Dubov as Army Lieutenant

Charles Evans as Chief of Naval Operations

John Hamilton as Second Senator

Al Hill as Shipboard Observation Officer

Mary Alan Hokanson as Waitress

Selmer Jackson as Col. Halliburton

Anthony Jochim as Dr. Elder

Ed Kelly as Enlisted Man

Harry Lauter as Army Base Information Desk Clerk

Billy Lechner as Sentry

Leon Lontoc as Steward

Robert Lowell as Sentry

Paul Marion as Co-Pilot

Forbes Murray as Officer in Club

William Phillips as Chief Mechanic

Richard Quine as Amn. Hank Weber

Grandon Rhodes as Capt. Whitaker

James Seay as Lt. Jackson

Helen Spring as Mrs. Peg Scott

William Tannen as Lieutenant

Peter M. Thompson as Lieutenant Commander

Harlan Warde as Lieutenant Commander

Carleton Young as Colonel