Idris Elba
"Idris Elba has a career as a DJ if he ever wanted to give up acting. I think he’s been doing both for nearly the same amount of time, maybe DJing even longer than acting. I got into his music after hearing some of his tracks in Phantom Liberty. Dude is really good."
Jeff Goldblum is a jazz pianist. Check him out on Spotify with his band, The Mildred Snitzer Orchestra
James Woods got close to a perfect score on his college SAT (a perfect 800 on the verbal and 779 on the math portion), he attended MIT before dropping out to pursue acting.
Jeff "Skunk" Baxter, guitarist for Steely Dan and the Doobie Brothers went on to become a miltary defense consultant specializing in analyzing missile defense systems.
Dolph Lundgren ja a Mastersdegree in Chemical Engineering and is also Karate Master.
also, another Bad@$$:
Christopher Lee
He Spike 8-9 Languages, was professionell Operasinger, served in WWII for the RAF und recorder, he also received the Title oldest heavy metal Dinger in 2012.