Martine Brochard as Paulette Stone

John Richardson as Mark Burton

Ines Pellegrini as Naiba Campbell

Andrés Mejuto as Inspector Tudela

Mirta Miller as Lisa Sanders

Daniele Vargas as Robby Alvarado

George Rigaud as Rev. Bronson

Silvia Solar as Gail Alvarado

Raf Baldassarre as Martinez - the tour guide

José María Blanco as Inspector Lara

Marta May as Alma Burton

John Bartha as Mr. Hamilton

Olga Pehar as Mrs. Randall

Verónica Miriel as Jenny Hamilton

Olga Montes as

Richard Kolin as Mr. Randall

Rina Mascetti as Hospital Nurse

Fulvio Mingozzi as Policeman

Vittorio Fanfoni as

Francesco Narducci as Receptionist at Hotel Presidente

Tom Felleghy as Coroner

Lorenzo Piani as

Carolyn De Fonseca as Gail Alvarado (voice)

Nestore Cavaricci as Policeman (uncredited)

Laura Trotter as Murder Victim at Castle (uncredited)