For her role on Private Practice as Dr. Amelia Shepard, 'Catarina Scorsone' was introduced to Shonda Rhimes by the director/actor Eric Stoltz, who had worked with her ten years before and remembered that she resembled Patrick Dempsey. She won the role and is now a regular on the series.
Monica Keena, who plays Kayla Lindy, also played Bonnie Cransoff in 2 episodes of Grey's Anatomy. Michael Reilly Burke, who plays Simon McConnell, also played Mr Finch in an episode of Grey's Anatomy. Judith Hoag, who plays Angie McConnell, also played Rhada Douglas in 2 episodes of Grey's Anatomy. Derek Phillips, who plays Eddy Lindy, also played Dale Winick in 2 episodes of Grey's Anatomy. Jack Axelrod, who plays Oscar Schmitt, also played Charles "Really old guy" Yost in 3 episodes of Grey's Anatomy. Greta Sesheta, who plays Nora, also played Shayna in an episode of Grey's Anatomy.