United Kingdom, Feb. 5 -- Will Arnett booted a "very famous" star off his Smartless podcast for being a "f****** rank a**hole".

The 55-year-old actor hosts the show along with Jason Bateman and Sean Hayes and he's revealed they "recently" recorded an episode with a well-known comedian but they ended up cutting him off after 10 minutes and deleting his contribution from the podcast.

During an appearance on The Romesh Ranganathan Show, Arnett explained: "[There was] one very famous comedian, who I will tell you after [we stop recording], who was a f****** rank a**hole. Recently. And we cut him off after 10 minutes and said: 'Thanks so much,' and then ditched him.

"And you'll be blown away by who it is."

He then joked: "Cause you'll be l...