The Happening (1967) Facts
| Director(s) | Elliot Silverstein |
| Producer(s) | Sam Spiegel, Jud Kinberg, Howard B. Jaffe |
| Featured Cast | Anthony Quinn, Martha Hyer, Faye Dunaway, Oscar Homolka, Jack Kruschen |
| Total Facts | 1 |
During 'The Happening''s shoot, Robert Walker Jr. was working on two projects at the same time. The second week of filming he did double duty shooting an episode of The Time Tunnel, where he played Billy the Kid.