Carr

Mio's intelligent and devoted friend, Carr is an old acquaintance that Mio has not seen for many years. Carr is native to New York City and understands the danger of the tenement very well. Although Miriamne describes Carr as Mio's "angel," Carr is ultimately unable to help his friend or spread the word of Romagna's innocence, because Mio keeps his conflict to himself.

Garth Esdras

Garth is a former member of Trock's gang who saw Trock commit the murder for which Romagna was executed. A violinist who has abandoned any involvement in crime, Garth suffers because of his family's poverty but has little opportunity of advancing. He is timid, afraid that Trock will kill him or that he will be punished for his involvement in the crime. Garth refuses to tell the police anything. However, he is tormented by his role in Romagna's execution. He admits his knowledge...