Peter Morgan's drama explores the reign of Britain's Queen Elizabeth II.
Bryce Pinkham will take a temporary leave of absence to appear in The Heidi Chronicles.
The network is set to film the drama Lady Day at Emerson's Bar & Grill.
The trio appeared at the Apple Store in New York's SoHo to perform selections from Broadway's Carole King Musical.
Colella plays Anne in the musical at the Richard Rodgers Theatre.
And be sure to put her 54 Below concert on yours.
Morrison and his frequent scene partner Kelli O'Hara will perform a Christmas concert with the New York Pops at Carnegie Hall.
Casey Nicholaw directs and choreographs the production.
A full list of speakers for the fourth annual conference has been announced.
The new musical is based on the film by Adrienne Shelly.