It's funny to think that there are a ton of famous British and Irish actors in Hollywood who American audiences will probably only know for their work in blockbuster movies and TV.
I mean, if you're not obsessed with TV from the UK and Ireland, you might not even know that these 18 famous actors had pretty big careers in our neck of the woods before they hit the big-time across the pond! Allow me to show you...
Brits, have I missed anyone out? Shout them out in the comments below!