The Prisoner

A Cardinal, a hero of resistance, endures brutal interrogation with unshakable resolve, refusing to confess his supposed treason. As his tormentor's methods fail, the interrogator finds himself unexpectedly moved by pity for indomitable.

The Prisoner is a 1955 drama movie directed by Peter Glenville, starring Alec Guinness, Kenneth Griffith, Jack Hawkins. It holds an IMDb rating of 6.8/10 from 1,259 votes and runs 1h 31m.