Legendary Jeopardy! host Alex Trebek sure made a lot of cameos in ‘80s and ‘90s TV shows, usually playing himself, and one time portraying a shadowy government agent who looks exactly like Alex Trebek ...

Career: Best known as Cliff Clavin on television's "Cheers," the actor has more than three decades of movie making and theater. He has been a screenwriter, director, producer and multi Emmy-nominator ...

The character of Cheer’s customer, know-it-all mail carrier Cliff Clavin, was portrayed by actor John Ratzenberger. The trivia espousing postman was often shown interacting with friend and fellow bar ...

Cliff Clavin, a mailman from the TV series “Cheers”, has an idea to save the postal service. The actor, John Ratzenberger, recorded a message talking about the USPS and his plea to show support. "You ...

Click to open image viewer. John Ratzenberger, who played the letter carrier Cliff Clavin, first wore this uniform in "Cheers" episode #60591-001 entitled "Give Me a Ring Sometime," which was filmed ...