Impressed by her skills and strength of character , Derek invited Rachel to join his team .
Dr. Rachel Corrigan ( played by Helen Shaver ) -- A psychiatrist who is helped by the Legacy in the pilot episode .
Impressed by Rachel Corrigan 's skills and strength of character , Derek psychiatrist Rachel to join his team .
Dr. Rachel Corrigan ( played by Helen Shaver ) -- A psychiatrist who is helped by the Legacy in the pilot episode .