The woman Phil refers to as his 'wife' when doing the mock open house is Zoe Saldana.
When Alex is in the car with Haley talking on the iPhone, you can see Haley is holding the phone upside down
Aya Cash (Vanessa) was on the same episode of Law & Order: Special Victims Unit as Sarah Hyland (Haley). The episode is Season 10, Episode 12 "Hothouse".
Phil mentions the movie 'Frozen' (2013). In season 3's "Punkin Chunkin", Josh Gad guest stars, who is the voice of Olaf in the film.