It was while sitting in the reception office that he looked up from a magazine to see the Changes singer, who died earlier this month.
"David Bowie came in and signed his little list and went in. And I'm assuming he read for Gandalf. I can't think of anything else he would've read for.
"He may have read for something else, but I'm a huge David Bowie fan, and I was lucky enough to know his son now so just seeing him in person was pretty special to me."
It is understood Bowie may have actually been after the part of elf lord Elrond and not Gandalf.
Director Sir Peter Jackson said in an interview with Entertainment Weekly in 2014 he felt the singer's fame might outshine the part.
"These are famous, famous characters, loved for nearly 50 years," Jackson said. "To have a famous, beloved character and a famous star colliding is slightly uncomfortable."
- nzherald.co.nz