Way before Miranda Cosgrove starred in iCarly, and long before Victoria Justice played Tori on Victorious, some of your fave stars had very different gigs... as supporting characters! That's right -- Miranda started off on Drake & Josh and Victoria was first introduced on Jamie Lynn Spears' show Zoey 101. Mind-blowing, right?!
M rounded up 10 actors that started as co-stars and eventually were given their own TV shows. You won't believe where some of these amazing actors started and the characters that they played!
Click through the gallery below to check out 10 co-stars who got their own shows! Which one did you find the most surprising? Tell us in the comments!