A woman who was found dead at Bestival was the daughter of Holby City, Taggart and Coronation Street actor John Michie, his agent has confirmed.
The body of Louella Michie, 25, from London, was discovered in a wooded region at the Dorset festival site.
Police indicated that they are called at about 01:00 BST amid apply for the wellbeing of a woman.
A 28 -year-old man from London has been arrested on mistrust of murder and is being questioned by police.
A post-mortem examination is due to be carried out to establish the cause of death.
In a statement, Michie’s agent said: “Sadly, I can confirm the grievous deaths among John Michie’s daughter Louella at Bestival.
“John and his wife Carol request that the privacy rights of their own families be respected at this traumatic time.”
Festival founder DJ Rob da Bank tweeted a link to the statement, which is now being posted on the festival’s Facebook page.
In a statement, Bestival organisers said the team were “devastated to hear about this tragic news”.
“We continue to support the police in their ongoing investigation and our thoughts and petitions are with all the woman’s family and working friends.”
A cordon remains in place at the festival area while forensic examinations are carried out.
Det Ch Insp Sarah Derbyshire, of Dorset Police, said: “Following the finding of the woman’s torso we have now launched an investigation into her fatality.
“We have peculiarly taught men subsidizing her family at this very difficult time.”
She supplemented such forces was “working closely” with the fair organisers and counselled anyone with information to get in touch.
Bestival was first held in 2004 at Robin Hill on the Isle of Wight.
This was the first time the four-day annual occasion was held at Dorset’s Lulworth Estate, where its sister gala Camp Bestival has been held since 2008.