It is understood that Cresswell, who played a significant role in the lives of Jonathan Ross, Alan Carr and Jack Dee, had a heart attack on Monday morning.
Regarded as one of the most influential figures in the comedy world and as an “industry legend”, Cresswell helped negotiate Ross’ famous three-year £18m deal with the BBC in 2006, revealed Broadcast magazine.
His company, Open Mike Productions, is behind some of the biggest comedy brands and popular TV shows, including BBC1’s Live at the Apollo and Alan Carr’s Chatty Man for Channel 4.
Cresswell also managed some of the most famous names in comedy, including Lee Evans, Michael McIntyre and Jo Brand.
A spokesperson for Creswell said: “Addison leaves behind a proud legacy in his tireless charity work, initiating and organizing the annual C4 Comedy Gala in aid of Great Ormond Street Hospital. It was his dearest wish to raise enough to fund the opening of a brand new wing of the hospital, a goal that is now in sight.
“Addison will be fondly remembered by all whose lives he touched as a devoted mentor, a dear friend and an unforgettable character. He will be sorely missed.
“He is survived by his beloved wife, Shelley, his dogs Bonnie and Nessie and many, many pet fish,” as stated by Broadcast magazine.
Many are shocked to hear the news of Cresswell’s death; C4’s Jay Hunt and BBC’s Danny Cohen are among those to have published their condolences.
Jay Hunt said: “Addison was an industry legend but he was also an incredibly decent man and a loyal friend. He will be missed by everyone at C4. Our thoughts are with his wife Shelley and his family at this upsetting time,” revealed by Broadcast magazine.
Other talent have taken to Twitter and other sites to reveal their shock and sympathy at the news.
James Corden said: “Such sad news about Addison Cresswell. An incredible man. An incredible talent.”
Victoria Coren added: “Have just heard impossible news of the death of the great agent Addison Cresswell. How awful and shocking. He was a force of nature”
CPL Productions boss Danielle Lux posted: “Sending so much love to Addison Cresswell’s family and friends at this terrible time.”
Big Talk Productions chief executive Kenton Allen said: “He has been a beacon of light in my life for over 30 years.”
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