Cillian Murphy strolls around set in a grey suit on set of upcoming film Oppenheimer in LA

Matt Damon Spotted on 'Oppenheimer' Set for First Time with Cillian Murphy!

Matt Damon, Cillian Murphy, and Dane DeHaan arrive to set of their upcoming film Oppenheimer in LA

Cillian Murphy reveals he moved back to Ireland after his kids developed 'posh English accents'