He was born in Cambridge, on 23 February 1964, the son of DilysDilys (née Jackson) and David Vibert, both artists.
He lived in Penarth, South Wales until he was 18 when he attended the Royal Academy of Dramatic Art, graduating in 1985.
Ronan Vibert Sibling: Meet Cevn Vibert
Cevn, a computer systems engineer, is his brother.
In the Midsomer Murders episode “Death in Chorus,” Vibert made an appearance. He additionally had an appearance in The Mrs. Bradley Mysteries and Waking The Dead.