Amigo
A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others.
Albert Henderson, Angus Duncan, Arny Freeman, Barbara Minkus, Bob Kaliban, Charles Lane, Cleavon Little, Conard Fowkes, Dom DeLuise, Don Stroud, Eda Reiss Merin, Emily Yancy, Frank Campanella, Franklin Cover, George Furth, George Peppard, George Petrie, George Sperdakos, Hal K Dawson, Hugh Franklin, Hy Anzell, Jára Kohout, James Noble, Jeanne Arnol