Operation Crossbow (1965) - I Heard You Speaking English

Top-billed Sophia Loren finally appears, at a boarding house in occupied Holland, where she catches undercover Allied agents George Peppard and Tom Courtenay, not knowing that her German engineer husband is dead or that Peppard is impersonating him, his landlady (Lili Palmer) saving the day, in Operation Crossbow, 1965.