The 300-Year Weekend [722312] Released: 1971-02-26 Revenue: $0 Budget: $0 Profit: $0 Runtime: 83 mins Popularity: 0.1261 Vote Average: 2 Vote Count: 1 Overview: A doctor spends 24 hours in a clinic with a group of patients. Each character has his or her own story to tell, about their fathers, mothers, or spouses who don't understand them, and how they've turned instead to drugs. Cast [7] William DevaneTom Michael TolanDr. Marshall Gabriel DellWynter Sharon LaughlinNancy Roy CooperHal James CongdonDr. Roland Dorothy LymanJean Trailers