Quick! Free association game. I’ll go first: Maximilian Schell, Peter Ustinov, Melina Mercouri! Did you answer: Topkapi?
Probably not. (Though congrats if you did.)
These are huge names, but Topkapi is not. Between the three leads, they amassed 86 prestigious awards and nominations, including Oscars, Emmys, Grammys, Cannes triumphs, and whatever a CableACE award is.