Napoleon Solo and Illya Kuryakin have to investigate when their colleague, Robert Kingsley, and Dr. Kurt Erikson have vanished. The chemist has discovered a gas that causes people to become will-less.

Starring:

Robert Vaughn , David McCallum , Barry Sullivan , Eleanor Parker , Leslie Nielsen , Leo G. Carroll , Tony Bill , Peter Mark Richman , Albert Paulsen , Inger Stratton , Hugh Marlowe , Dan O'Herlihy , Ruth Warrick , David Hurst , Barbara Moore

Genre:

Adventure, Comedy, Crime, Action, Thriller