"I pushed her buttons," Biel admits of her sisterly bond with Mitchell.Jessica Biel and Beverley Mitchell didn't just play sisters on 7th Heaven, they acted like them behind the camera, too.Biel was "secretly a little afraid of Beverley" when they worked on the series,

Focused on the fictional Camden clan, 7th Heaven followed Reverend Eric Camden (Stephen Collins), a Protestant minister living in the fictional town of Glen Oak, California, and his wife Annie (Catherine Hicks) as they dealt with the raising five children at the inception (and seven in later seasons).

Heaven is eying a return. Anthony Sparks is set to write the potential new incarnation for CBS Studios. Jessica Biel would executive produce.