Complex sentence: Dino started is acting career at the age of twenty two, but did not take his career seriously until 2004, when he landed on the movie "Glory Road" as John Anderson and worked as an additional production assistant.
Split into simpler sentences: Dino started is acting career at the age of twenty two. He did not take his career seriously until 2004, when he landed on the movie "Glory Road" as John Anderson and worked as an additional production assistant.