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Felony residential burglary charges were filed against three women and one man, who range in age from 18 to 27. Prosecutors have declined to file charges against 18-year-old Rachel Lee pending further investigation.
The suspects include Alexis Neiers, who is filming a pilot for a reality show, and Courtney Ames, Diana Tamayo and Roy Lopez Jr. The group is accused of breaking into the homes of Lohan, Fox, Paris Hilton and "The Hills" star Audrina Patridge.
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Additional charges will be filed against an alleged accomplice, Nicholas Prugo, who had already been charged with burglaries at Lohan and Patridge's homes.
Attorneys for Prugo and Neiers did not immediately return messages seeking comment on charges being filed on Wednesday. Tamayo's father said he had no comment on the case and declined to say whether she has an attorney.
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Attempts to reach Ames and Lopez were unsuccessful.
The five people charged to date in the case are suspected of stealing more than $3 million in jewelry, designer clothes and other accessories, according to the Los Angeles County district attorney's office.
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A publicist for Hilton said the heiress has recovered some of her property.