Both David Sutcliffe (Kevin Nelson) and Liz Torres (Judge Ortiz) previously appeared in Gilmore Girls as Christopher Hayden and Miss Patty, respectively.
Darby Stanchfield, who plays Tessa in this episode, later goes on to be a series regular in another Shonda Rhimes drama, Scandal (2012), as Abby Whelan.
Along with playing Hal Jarvis in this episode, Cullen Douglas also played two different characters in season 4 and season 9 of Grey's Anatomy (2005).