Diana

Regina

Francis McClune

Albert Carimbuli

Insp. Tanner (as Marcello Arriota-Jauregut)

Vittorio Freda

Dancer (as Maria Dom)

Mr. Radeck

Thriller's Assistant

Morpho

Napoleon Bolivard

Fashion Store Owner

Girl in Hotel Lobby

Lida Regnier

Gallery manager

Blonde Dancer

Mr. Radeck (voice) (uncredited)

Critic in Art Gallery (uncredited)

Insp. Tanner's Assistant (uncredited)

Receptionist (uncredited)