Laura Prepon

Laura Prepon is an actress best known for her roles as Donna Pinciotti in the long-running Fox sitcom That ’70s Show, Hannah Daniels on the ABC drama October Road, and Chelsea in Are You There, Chelsea? As well as appearing in episodes of How I Met Your Mother, Medium, and Castle, Prepon has voiced characters in animated TV series such as American Dad! and King of the Hill and the video game Halo 2.