British actor and comedian Tony Slattery has died aged 65, his family has confirmed, APA reports citing BBC.
Slattery was known and loved for his quick-witted improvisations on the popular Channel 4 show Whose Line Is It Anyway?, from 1988 onwards.
The Londoner also played comedic and serious roles in films such as The Crying Game, Peter's Friends and How to Get Ahead in Advertising.
He earned an Olivier Award nomination for best comedy performance for his role as Gordon in Tim Firth's play Neville's Island.
A statement on behalf of his partner Mark Michael Hutchinson said: "It is with great sadness we must announce actor and comedian Tony Slattery, aged 65, has passed away today, Tuesday morning, following a heart attack on Sunday evening."