Although not biographical, Alex's character was probably based on Mazursky's fellow director Hal Ashby.
This is thd first time Ellen Burstyn was credited as Ellen Burstyn instead of Ellen McCrea or Ellen MacCrea.
Paul Mazursky was nominated for Best Supporting Actor for his performance in this film. He directed himself.
Alex drives a 1964 Porsche 356C convertible to check out the new house. Original base price was $4,564 ($43,550 in 2022). In 2022 an example in excellent condition could be worth $250,000 or more. It is one of the most sought-after and collectible cars in the world.
Ellen Burstyn's first film directed by Paul Mazursky. Her second was 'Harry & Tonto' (1974).