An orange deer. Doctor. Personality: Kind. Male. He wears a mask, a doctor's gown, and standard medical attire.

A light brown deer. Paramedic. Personality: Good-hearted. Male. He always wears a mask. He carries a bottle of cola with him.

A peach-colored dog. Nurse. Personality: Quiet. Female. She wears a nurse's uniform and a nurse's cap.

A light indigo cat. Security Guard. Personality: Blunt but secretly a tsundere. Male. He wears a black hat, black pants, and a blue coat. He carries a taser (he uses it if the Intern accidentally releases an anomaly).

A light orange rabbit. Intern Nurse. Personality: Innocent. His brain often freezes up. He makes a lot of mistakes. A newcomer. He wears something similar to a white hoodie.

A blue dog. Secretary. Personality: Curious and quiet. Male. He wears a white shirt, a black tie, and black pants. He wears black-rimmed glasses.

A white cat. Nurse. Personality: Cool and kind. Female. She has circular spots on her body. She wears a nurse's uniform, a nurse's cap, and a stethoscope around her neck. She has a secret crush on the Secret Agent, and it's somewhat obvious (the others suspect she likes him).

An orange deer. Personality: Calm. Male. Surgeon. He wears a blue surgical cap. He wears medical scrubs, a mask, and a head mirror on his forehead.

A green rabbit. Personality: Curious. Male. He has a mustache. Psychologist. He wears brown-rimmed glasses, a dark green shirt, a black tie, and brown pants.