One Is Not Serious at SeventeenNo posterOne Is Not Serious at Seventeen1974Queuebrick VideoWatchedWWatchlistLFavoriteFLists1974Copy short linkOne Is Not Serious at Seventeen1h 28mDirected by Adam Pianko·1974RateRate10.0/10 avgAverage user ratingDirectorAdam PiankoCastCrewDetailsWhere to watchNo cast listed.