Doctor Esmerald Thorne, a city physician.
Helen Thorne, his wife.
Laddie, their child. (Between four and five years of age.)
Mrs. Fayth, a patient of the Doctor’s, and a friend of Mrs. Thorne’s, an invalid.
Doctor Gazell, a hospital physician not in harmony with Dr. Thorne.
Dr. Carver, a young surgeon.
Maggie, a maid.

A Priest, Nurses, Patients, Servants, People in the Street, Spirits, the Angel Azrael.