Telly Savalas as Leandro (archive footage)

Elke Sommer as Lisa Reiner

Robert Alda as Father Michael

Sylva Koscina as Sophia Lehar (archive footage)

Alida Valli as Countess (archive footage)

Gabriele Tinti as George (archive footage)

Espartaco Santoni as Carlo (archive footage)

Eduardo Fajardo as Francis Lehar (archive footage)

Franz Von Trueberg as Shopkeeper (archive footage)

Alessio Orano as Max (archive footage)

Kathy Leone as Lisa's friend (archive footage)

Carmen Silva as Anna

Andrea Esterhazy as American Tourist (archive footage) (uncredited)