Arthur Simon Simpson is a small-time crook biding his time in Greece. One of his potential victims turns out to be a gentleman thief planning to steal the emerald-encrusted dagger of the Mehmed II from Istanbul's Topkapi Museum.
|Melina Mercouri||Peter Ustinov|
|Maximilian Schell||Gilles Ségal|
|Robert Morley||Jess Hahn|