Harry Potter and the Deathly Hallows: Part 1 (2010)
Ron sees a vision of a naked Hermione and Harry making out and engaging in some heavy petting. Plus, a wife kisses him while he is pretending to be her husband.
Actors: Toby Jones
The Snowman (2017)
A wife cheats on her current husband with her ex-husband, a detective whose on the trail of a serial killer.
The Painted Veil
A British medical doctor fights a cholera outbreak in a small Chinese village, while also being trapped at home in a loveless marriage to an unfaithful wife.