Answer
In the "Columbo" episode "Any Old Port in a Storm," John Dehner played a preacher named Reverend Wesley. The episode featured a guest appearance by Johnny Cash as a country singer named Tommy Brown. Reverend Wesley was a key suspect in the murder of a wealthy wine collector, and Columbo's investigation eventually revealed his guilt. Dehner's portrayal of the cunning and manipulative preacher was a highlight of the episode.