Few on-set love stories are as full-circle as Mila Kunis and Ashton Kutcher’s. The two met as teenagers filming That ’70s Show, where Kunis played Jackie Burkhart and Kutcher played Michael Kelso.

Chad Michael Murray is well known for playing a charismatic leading man in movies like A Cinderella Story and Freaky Friday (and of course his hit TV show One Tree Hill) in the early 2000s, and most ...