At the party scene, Ben tries to justify that Piper (Lucy Hale) is lying and calls her a 'little liar'. On abc's other television show, Pretty Little Liars, Lucy Hale plays Aria Montgomery, one of the liars.
At the end of the episode, Danny is wearing a Captain America t-shirt. Derek Theler auditioned for the role of Captain America in The First Avenger before Chris Evans was cast.
Lucy Hale, who portrays Piper in this episode, is known mostly for her role on Pretty Little Liars. One of her co-stars on PLL, Ashley Bensen, also worked with Jean Luc Bilodeau in 2008 on an episode of Supernatural.
Lucy Hale was on 2 episodes of Wizards of Waverly Place with Maria Canals-Barrera