The best business decision Daniel Radcliffe ever made started with a very naked play

Daniel Radcliffe performing "Equus" in 2007.

Robbie Jack/Corbis/Getty Images

• Daniel Radcliffe told BI that starring in "Harry Potter" allowed him to take chances in his next roles.
• He called his offbeat post-"Potter" career choices his best business decision.
• Radcliffe said performing in the stage play of "Equus" in 2007 earned him respect in the industry.

Being the face of the "Harry Potter" franchise has its financial perks. But becoming synonymous with...