Hanover Street (1979)

 

Directed by Peter Hyams. Found on Tubi. Harrison Ford, Lesley-Anne Down, Richard Masur, John Ratzenberger, Christopher Plummer.

https://en.wikipedia.org/wiki/Hanover_Street_(film)

http://every70smovie.blogspot.com/2012/07/hanover-street-1979.html 

https://www.cinematicrandomness.com/blu-ray-review-hanover-street-1979/