Barbara SteeleCynthia Hichcock
Robert FlemyngProf. Bernard Hichcock
Silvano TranquilliDr. Kurt Lowe
Maria Teresa VianelloMargherita Hichcock
Harriet MedinMartha, the maid
Spencer Williams
Al Christianson
Evaristo SignoriniInspector Scott
Giovanni Querrel
Neil Robinson
Howard Nelson Rubien
Riccardo FredaDirector
Ernesto GastaldiStory
Luigi CarpentieriProducer
Ermanno DonatiProducer