Esther Williams as Lois Conway

George Nader as Police Lt. Harry Graham

John Saxon as Leonard Bennett

Edward Andrews as Mr. Bennett

John Wilder as Sandy Krupp

Les Tremayne as Mr. Pendleton

Jack Albertson as Prof

Dani Crayne as Josie Warren

Edward Platt as Attorney Briggs (as Edward C. Platt)

Eleanor Audley as Pendleton's Secretary

Robert B. Williams as Detective

Diane Jergens as Janet (uncredited)

Alan Dexter as Reporter (uncredited)