When Joan phones her the first time, Maureen the babysitter is watching the film Harlow (1965), which stars Martin Balsam as producer Everett Redman. Martin Balsam is the father of Talia Balsam, who plays Roger Sterling's ex-wife Mona on Mad Men. John Slattery, who plays Roger, is married to Talia Balsam, which makes him Martin Balsam's son-in-law.