Moment to Moment (1966)
When an erring wife's supposedly dead lover turns up an amnesiac, it's her unsuspecting shrink husband who's enlisted to get those memories back.
Directed by: Mervyn LeRoy
Starring: Jean Seberg, Honor Blackman, Sean Garrison, Arthur Hill, Grégoire Aslan, Peter Robbins
Links: IMDb, Movie posters, Movie stills