Rachael Taylor

Transformers actress Rachael Taylor will scrub into Grey's Anatomy this season for a multi-episode arc, a show rep says.

The 26-year-old actress will play a doctor, starting midseason. The casting was first reported by Entertainment Weekly.

First look: Grey's Anatomy Season 7 posters

Taylor is best known as analyst Maggie from Transformers and has also starred in the 2008 film Shutter.

Grey's Anatomy returns for Season 7 on Thursday, Sept. 23 at 9/8c on ABC.