Each has been offered $400,000 bail.
According to the Independent Commission of Investigations, the three are:
*Woman Corporal Elaine Stewart, who was acting as Sub-officer in charge of the Lock-ups. She has been charged with manslaughter, attempting to pervert the course of justice, and misconduct in a public office.
*District Constable Marlon Grant, who acting as cell guard, was charged with manslaughter and misconduct in a public office.
*Woman District Constable Juliana Clevon, also acting as cell guard, was charged with misconduct in a public office.
Deane, a 31-year-old construction worker, died in hospital on August 6, three days after he was reportedly beaten by cellmates.
Two men have been charged with murder as a result of the incident.