How are the nominees introduced in their movies? (A Smackdown '60 appetizer)

The Smackdown panel is meeting this Sunday to finalize the voting and record our conversation. All five films are available on either YouTube or Amazon but for Dark at the Top of the Stairs which you can watch on the link included below. Watch the movies and vote!
While you wait for the Smackdown and its Podcast, we thought we'd do a little exercize we haven't done in a while. Let's look at how the filmmakers introduce these characters within the overall stories. Bear in mind that these aren't the lead characters, so theroetically they don't have to be introduced in a "stop and look at this person!"" kind of way. But were the filmmakers underlining their entrances, preparing you to embrace an future-Oscar-nominated-star-turn, or just going about telling the stories?
Let's investigate in the order they show up in their movies...