|Photo by Joseph Marzullo/WENN|
The "Most Fascinating Person" will be revealed on the Dec. 14 special, which will also profile the Kardashian Family, Pippa Middleton, Derek Jeter, Donald Trump and Katy Perry.
Ferguson was seen on Broadway in The 25th Annual Putnam County Spelling Bee and On the Town. He most recently appeared on stage in the Public Theater's The Merchant of Venice and is best known for his work on the ABC comedy series "Modern Family."
"Barbara Walters Presents: The 10 Most Fascinating People of the Year" will air at 9:30 PM ET on ABC.