Video: Daniel Radcliffe tries stand-up comedy

It was only a few weeks ago that Daniel Radcliffe's Harry Potter co-star Robbie Coltrane revealed the actor's penchant for "terrible jokes" and apparent desire to be a stand-up comedian - a topic that was raised during Radcliffe's appearance on Late Night with Jimmy Fallon on Monday.

"I've always admired stand-ups and loved stand-ups and been completely fearful of doing anything like that," admitted Radcliffe, who was on the NBC show to promote his appearance in the Broadway production How To Succeed In Business Without Really Trying.

He added: "I think you have to be insane!"

After telling Fallon that he was known for telling "horrendous jokes", the actor was encouraged to try out his stand-up routine on the audience, although he jokingly pre-warned the crowd that they were "obliged to laugh".

Watch the results of Daniel's first-ever public stand-up routine below: