Hugh Grant, Sienna Miller and JK Rowling will be among the first witnesses to give evidence to the Leveson Inquiry into press standards next week.
The celebrities join families of crime victims, journalists and lawyers who will describe their experiences of media intrusion into their lives.
The inquiry has confirmed the names of the people who will open the witness sessions next week.
Sally and Bob Dowler, whose murdered daughter Milly's phone was hacked by the News of the World, will be the first to give evidence on Monday.
They will describe the heartbreak private investigator Glenn Mulcaire caused them when he deleted some of the schoolgirl's voicemail messages, giving them false hope she was still alive.
Grant, who will also appear on Monday, is expected to tell the inquiry about how paparazzi have hounded the mother of his baby daughter.
Chinese actress Tinglan Hong was last week granted a High Court injunction prohibiting harassment of her and the child.