Chenoweth will appear on January 25 and Radcliffe will appear on January 31. The popular morning talk show stars Kelly Ripa, and numerous guest celebrities have been joining her since co-host Regis Philbin departed the show on November 18, 2011.
Other upcoming hosts will include reality star Kim Kardashian, award-winning singer Mary J. Blige, and television hosts Cat Deeley and Carrie Ann Inaba.
Chenoweth won the Tony Award for You're A Good Man, Charlie Brown and has starred on Broadway in Promises, Promises, The Apple Tree, Wicked, and Epic Proportions. She won the Emmy Award for Pushing Daisies and was nominated for her role on Glee. She stars in the upcoming ABC series G.C.B..
Radcliffe recently wrapped up a run in the Broadway production of How to Succeed in Business Without Really Trying, and has also starred on Broadway in Equus. He is best known for playing the title character in all of the Harry Potter films.