Jimmy Tarbuck is reported to have been arrested over an allegation of child sex abuse that happened in Harrogate during the 1970s.
Tarbuck OBE is known for hosting Sunday Night at the London Palladium and for his numerous game and quiz shows. His daughter is the actress, television and radio presenter, Liza Tarbuck.
North Yorkshire Police have confirmed that a 73-year-old man has been arrested in connection with a historic child sex abuse investigation in Harrogate.
He was arrested in Kingston Upon Thames on Friday 26 April 2013.
Following questioning, he was released on police bail pending further enquiries.
The complaint relates to an incident that occurred in the late 1970s when the victim was a young boy.
The arrest follows information passed to North Yorkshire Police by Metropolitan Police officers working on Operation Yewtree.