Olivia de Havilland
— Meg Johnson
Rossano Brazzi
— Signor Naccarelli
Yvette Mimieux
— Clara Johnson Naccarelli
George Hamilton
— Fabrizio Naccarelli
Isabel Dean
— Miss Hawtree
Moultrie Kelsall
— The Minister
Nancy Nevinson
— Signora Naccarelli
Barry Sullivan
— Noel Johnson
Peppino De Martino
— Train Conductor (uncredited)
William E. Greene
— The Consular Agent (uncredited)
Steve Plytas
— Concierge (uncredited)
Robert Rietti
— The Priest (uncredited)
Rosella Spinelli
— Giuseppina Naccarelli (uncredited)