LEWIS star Kevin Whately is guest-starring in BBC1 rival cop drama Inspector George Gently.
The actor will play Don McGhee, a former Deputy Commissioner of the Met.
The character will appear in the detective drama’s fifth series finale, Gently In The Cathedral, written by Peter Flannery.
Silk star Diana Quick will also appear in the episode as barrister Gitta Bronson, while Shrek: The Musical star Nigel Lindsay will play DI Reese Statham, a cop with a vendetta against Gently.
Morgan Watkins will play DS Kieran Lawson, with Ralph Brown – best known as Danny the drug dealer in 1987 cult movie Withnail & I – cast as Gently’s nemesis, career criminal Melvyn Rattigan.
Melanie Clark Pullen will also return for the finale as the estranged wife of Gently’s police partner John Bacchus (Lee Ingleby).
Inspector George Gently is currently filming on location in Durham and the North-East and will be shown on BBC1 later in the year.