“I felt overwhelmed and not ready for any of that.”

Mischa’s debut as Marissa inThe O.C.hit screens in 2003, when she was 17.

I feel a little guilty because I let it happen.

Mischa Barton on the red carpet

I felt so much pressure to have sex, not just from him, but society in general."

“It was a bit tricky for everyone.

“It was complicated for me.

Woman smiling at the camera with wavy hair, wearing a strappy top with a pattern

“Acting with people older than me was a bit like, ‘Oh wow.

They know what theyre doing.

“That was my first I had no idea what I was doing,” Mischa recalled.

Closeup of Mischa Barton

I felt like that ostracized me as well, because there was a marked difference in maturity level.”

it’s possible for you to listen to the full episodehere.

Screenshot from "The O.C."

Screenshot from "The O.C."

Closeup of Mischa Barton and Ben McKenzie

Four celebrities posing together at an event, two men in suits and two women in stylish dresses

The cast of "The O.C."

The cast of "The O.C."

Closeup of Mischa Barton