The musician says he recognised that Radcliffe was "a kindred spirit" after watching him sing on 'The Graham Norton Show'
"Radcliffe is completely game for… whatever the hell this is"
He follows the likes of Freddie Mercury, Motörhead and Blondie
The star opened up about how he landed the part
Rainn Wilson also joins the cast, with Daniel Radcliffe set to play the record-breaking parodist
"Wearing the Hawaiian shirt is a huge responsibility that I don’t take lightly"
The reunion special goes out on New Year's Day
"It seems very cool, I just can’t do it”
"I've actually found it's an incredibly liberating thing"