These Celebs Guest-Starred On Television Shows Before Their Big Break

Joe Manganiello in "The Big Bang Theory"

The "True Blood" actor was featured on "The Big Bang Theory" as a huge fan of the game Dungeons and Dragons. He actually hosts games in his basement in real life and has other celebs like Taran Killam over to play.

Daniel Radcliffe broke over 80 wands while filming the Harry Potter movies because he used them as drumsticks!
Before going solo, Britney Spears was in an all-female group called Innosense.
Actor Joaquin Phoenix was born in a cult, which might help explain why his siblings were named River, Rain, Liberty, and Summer. Their parents were members of Children of God group, which was founded in the 1960s.
As a child, Jim Carrey wore tap shoes to bed just in case his parents needed cheering up in the middle of the night.

These Celebs Guest-Starred On Television Shows Before Their Big Break

Joe Manganiello in "The Big Bang Theory"

The More You Know