please tell me you r kidding right...have you heard this douche's music?...cat's fucking in the alley stay in tune better...i had to sit thru a performance of his band(if you can even call it that...was a favor to a friend..and he was a total dick upon meeting the lot of them)...anyway...in regards to musician/actor..and strictly coming from the musician standpoint and i can't say who is most successful///off the top of my head....i know roger daltry has been in many films/tv series....guys like ice cube and ice-t parlayed their rap fame into movies/tv.....and flea from the chili peppers been in some of my favorite movies ever 'big lebowski'..'my own private idaho'....even keidis did 'point break'....didn't mean to bite yer head off...and i dig a few movies leto has done...but please don't label him a musician....