Requiem for a Secret Agent (1966) is a Thriller, Action, Crime, Mystery film that follows a veteran US Secret Service agent must thwart the covert conspiracy of an enemy spy network that threatens the world's safety. Requiem for a Secret Agent is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.4 out of 10 from 7 votes. Fans of thriller movies may also want to explore similar titles below.