It followed an incident in the College Street area of Aberdeen on Thursday.
Leanne Kane, 32, Wayne Duncan, 41, and Andrew Wallace, 42, made no plea at Aberdeen Sheriff Court and were remanded in custody.
The Crown Office said a 35-year-old man reported to the procurator fiscal was freed pending further inquiries and did not appear in court.
Three people have appeared in court in Aberdeen charged with assault with intent to rob.