Michael Denison
— Richard Wilder
Dulcie Gray
— Anne Wilder
Valentina Cortese
— Alida Morrosini
Sebastian Shaw
— Bruce McLeod
Tito Gobbi
— Tito Gobbi
Elena Rizzieri
— Elena Rizzieri
F. Terschack
— Sandro, the doctor
Antonio Centa
— Gino, Alida's boyfriend
Arnold Marlé
— Manager of Teatro La Fenice
Sidney King
— Charles, the pilot