When Angela is chatting online, the two people she's chatting with say "We accept you" and "You're one of us". This a reference to the scene in "Freaks" where the freaks say to Cleopatra "We accept you, one of us."
Northam's character is named Devlin just as Cary Grant's character and both leading men use a handkerchief to protect their co-stars midsection from the cold and the wind.