A young graduate student who has trouble feeling at ease in the world around him. He forms a genuine connection with the rat who is his test subject, revealing a tenderness he often tries to suppress. Leo isn’t usually one to openly challenge authority, but he finds himself compelled to act on his convictions.
A capable and reserved lab manager who takes her responsibilities seriously. Quiet and measured in her manner, she is careful about what she says, but can be firm and decisive. She has learned to keep her feelings to herself.
