Now that Daniel Radcliffe is settling in at Broadway’s Al Hirschfeld Theatre, the young star’s professional pals are making their way to see his acclaimed performance in How to Succeed in Business Without Really Trying. A foursome of Harry Potter vets dropped by the April 3 matinee to congratulate Radcliffe on his musical debut. Also in the house: How to Succeed producer Candy Spelling, daughter Tori Spelling and son-in-law Dean McDermott. (Their latest series, Tori & Dean’s sTORIbook Weddings, premieres on April 6 on the Oxygen network.) Click on for pics of Daniel greeting his guests.