A scene in "Sadie McKee" (1934) occurs in an automat.
"Thirty Day Princess" (1934).
The workings of an automat were shown in "Easy Living" (1937).
"A Run For Your Money" (1949).
"Just This Once" (1952).
"The Catered Affair" (1956).
Two scenes take place in one Automat in the film "I Wanna Hold Your
Hand" (1978).
In the 1990 film "Metropolitan", pivotal plot points occur as the
characters dine at a Horn & Hardart.
A pivotal scene in "Dark City" (1998) occurs in an automat.
http://www.theatlanticcities.com/arts-and-lifestyle/2012/06/remember-automat/2311/
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