“Ciao, Rudy”, a musical by Garinei and Giovannini (below) was first produced in 1966 with Marcello Mastroanni playing Valentino and the opening on Jan. 7, 1966.
Garinei & Giovannini
The second production opened in 1972 with Alberto Lionello as Rudy. Two books of the play were published, the first in 1965 and the second in 1972.
Marcello Mastroanni - 1965
Alberto Lionello - 1972
Recordings of the production are also available on vintage record markets online with the musical score by Armando Trovajoli.