Slattery, who rose to fame in 1980s, appeared on shows such as Have I Got News for You and Whose Line Is It Anyway?

Slattery was a regular on comedy shows Whose Line Is It Anyway? Just A Minute and Have I Got News For You

Slattery was a regular on comedy shows Whose Line Is It Anyway? Just A Minute and Have I Got News For You

The Whose Line Is It anyway star has been called the "gentlest, sweetest soul" despite his battle with drugs and alcohol.

Comedian and actor who found television fame in the 1980s on Whose Line Is It Anyway?

'He had really begun to emerge from his lifelong battle with so many dark demons'.

'He had really begun to emerge from his lifelong battle with so many dark demons'.

Sir Stephen Fry pays tribute to the actor and comedian well known for Whose Line Is It Anyway?

Majorly sad news from the British comedy scene ... Tony Slattery -- best known for his role on the UK version of the improv show 'Whose Line Is It...

He was a wonderful team player in Whose Line Is It Anyway? and affection for him grew when he disclosed the severe pain and distress he was trying...