Jason is perhaps best known for his role on "Freaks & Geeks." He also went on to guest-star in the also short-lived "Undeclared." He is currently starring in the hit comedy "How I Met Your Mother."
1. Jason and his friend Brian were wrestling in the pool, and Brian's finger went into Jason's eye. He ended up having to go to the doctor. Luckily the damage wasn't permanent!

2. Jason's first role was in the 1998 film SLC Punk!

3. James is 6'5" tall.

4. Jason used to date his Freaks & Geeks co-star Linda Cardellini. He is currently single.