The "Smash" guest star parade begins with "The Bells and Whistles," the Tuesday, March 26 episode of "Smash." Jamey Sheridan joins the cast as Richard alongside guest stars Daphne Rubin-Vega and Jesse L. Martin. Then, in the April 2 episode titled "The Parents," Bernadette Peters returns as Leigh Conroy, Ivy's (Megan Hilty) mother, and she just might be doing more than visiting. Dylan Baker also returns as Karen's (Katharine McPhee) father.
"Smash" moves to Saturdays at 9 p.m. ET beginning April 6 with special guest star Liza Minnelli. The Oscar winner will perform a new song as part of a surprise for Ivy.
Click through the slideshow below to see the "Smash" guests in action.