During a production lunch break, screenwriter Stephen J. Friedman spotted a hippie vagrant mooching from the food line, and threw him out. That hippie, Tobe Hooper, then wandered to Austin where he filmed The Texas Chain Saw Massacre (1974), and completed it before "Lovin' Molly" was even released.
The film takes place in 1925, 1945 and 1964.
Johnny's surname is never revealed.
A problem of the film was how to make the stars age effectively onscreen. After rejecting the idea of using three different sets of actors for each time sequence, Lumet hired novice makeup artist Phil Leto whose work was unsuccessful. Variety's Gil review: 'Bridges winds up looking like a student playing Gramps in a high school production. Perkins like an emaciated Gregory Peck and Danner not unlike Perkins playing Mrs. Bates in Psycho.'