TMDb/How I Met Your Mother TV Jason Biggs reveals his biggest career regret: turning down the lead role of Ted Mosby on How I Met Your Mother. April 26, 2026 AceShowbiz - Jason Biggs has openly discussed one of his biggest career regrets: passing on the lead role in the popular CBS sitcom How I Met Your Mother. In a revealing 2021 interview with SiriusXM, Biggs shared that he was originally offered the part of Ted Mosby, a role that eventually went to Josh Radnor. Reflecting on the decision, he said it was probably his "biggest regret" in terms of missed opportunities.