Comedy
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.
Directed by
George Seaton
Paul Dooley
Vic
George Peppard
Pete
Don Stroud
Barney
Mary Tyler Moore
Liz
Charles Lane
Dr. Shapiro
Dom DeLuise
J. Gardner Monroe
Thelma Ritter
Mrs. Schwartz
Susan Saint James
Aida
Cleavon Little
Phil
George Furth
Murgatroyd
James Noble
Board Member
John McMartin
The Mayor
Franklin Cover
Medical Expert
Frank Campanella
Captain Wallace
Salem Ludwig
Witter
Nathaniel Frey
Conrad
Sheryl Deauville
Jeanne Arnold
Gertrude
Morty Gunty
Sgt. Gunty
Joe Ponazecki
Officer Ponazecki
Nat Polen

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