Robert Downey Jr.Robert Downey Jr. may now be one of the most-respected stars in the world thanks to Iron Man 2 and Sherlock Holmes, but things weren't always so rosy for the 45-year-old.

A new book about the performer – Robert Downey Jr.: The Fall And Rise Of The Comeback Kid – reveals how his previous substance abuse problems caused havoc on the set of his early films.

Alan Metter, who directed the Sherlock Holmes actor in 80s college comedy, Back To School, tells the book's author, Ben Falk, about one such instance and the way he managed to get payback.

"We were supposed to be filming a scene that featured him and he didn't show up on the set," remembers Metter.

Find out more after the jump... Robert Downey Jr.Robert Downey Jr. may now be one of the most-respected stars in the world thanks to Iron Man 2 and Sherlock Holmes, but things weren't always so rosy for the 45-year-old.

A new book about the performer – Robert Downey Jr.: The Fall And Rise Of The Comeback Kid – reveals how his previous substance abuse problems caused havoc on the set of his early films.

Alan Metter, who directed the Sherlock Holmes actor in 80s college comedy, Back To School, tells the book's author, Ben Falk, about one such instance and the way he managed to get payback.

"We were supposed to be filming a scene that featured him and he didn't show up on the set," remembers Metter.

"We had his friends and father and the police and everybody looking for him. Robert finally showed up in the afternoon and he had been up all night. We were filming in a little dorm room and Downey fell asleep on one of the beds. So I had the grips get gaffer tape and like in Gulliver's Travels they used a hundred or so strips of tape and we taped him to the floor. He woke up and couldn't move!"

Robert Downey Jr.: The Fall And Rise Of The Comeback Kid is on sale now.

CATEGORIES Movies