United Kingdom, Oct. 7 -- Nicholas Hoult has announced he will miss his scheduled appearance at the upcoming New York Comic-Con after undergoing knee surgery that has left him unable to walk or fly.

In a video message shared on Comic-Con's official Instagram page, the 35-year-old actor apologised to fans for his absence.

He said: "I'm so sorry to tell you that I won't be able to join you this time. Unfortunately, I had knee surgery a couple of weeks ago and I can't walk or fly yet, so I'm not going to be able to make it.

"I was really looking forward to it, so I'm sorry."

Nicholas continued: "I hope you have a wonderful weekend and hopefully I'll be joining you in the near future and get to see you all soon."

The actor was due to app...