Police were called shortly after 7am on Thursday, August 21, to reports of a girl being attacked in Fishponds Park.
A Met Police spokesperson said the teenager and her family are receiving support from specialist officers.
Vladas Rupeika, 35, of Epsom, was charged with rape on Friday, August 22. He appeared at Wimbledon Magistrates’ Court the following day and has been remanded in custody.
Nerijus Venckus, 36, of Surbiton, was charged with rape and assault by penetration on the same day.
He also appeared at Wimbledon Magistrates’ Court on Saturday, August 23, and was remanded.
Peter Hoppe, 41, of Tolworth, was charged with oral rape. He appeared before Croydon Magistrates’ Court on Saturday, August 23, and has also been remanded.
A fourth man, aged 24, was arrested on suspicion of sexual assault and administering a substance with intent to commit a sexual offence on Thursday, August 21.
He has since been released under investigation while enquiries continue.
Police said residents may notice an increased presence of officers in the area as investigations continue.
Anyone with information is urged to call 101 quoting reference CAD1207/21AUG.
