A host of stage and screen favorites will help bring the off-Broadway hit Hello Again to the big screen. Emmy winner Martha Plimpton, Emmy nominee T.R. Knight, Rumer Willis, Nolan Gerard Funk, Sam Underwood and Glee alum Jenna Ushkowitz have boarded the cast of the film adaptation of Michael John LaChiusa’s musical. They join thepreviously speculated Audra McDonald; the six-time Tony-winner will star as Sally (billed as “The Actress” in the stage show). The film will be directed by Tom Gustafson, with Cory Krueckeberg penning the screenplay. No word yet on a release date. Based on Arthur Schnitzler’s play La Ronde, Hello Again follows a string of affairs among ten characters through each decade of the 20th century. The musical premiered off-Broadway in 1993 and was revived in 2011 with a cast that included Max von Essen, Elizabeth Stanley and Rachel Bay Jones. Plimpton won an Emmy for her guest performance on The Good Wife. She recently appeared on Broadway in A Delicate Balance and earned Tony nods for Pal Joey, Top Girls and The Coast of Utopia. Knight received an Emmy nomination for his performance on Grey’s Anatomy; he last appeared on Broadway in It’s Only a Play. Willis, winner of ABC’s Dancing with the Stars season 20, recently made her Broadway debut in Chicago. Funk’s credits include Glee and Awkwardon TV and Bye Bye Birdie on Broadway. Underwood has appeared on the small screen in The Following, Dexter and Homeland. Ushkowitz, best known for her role of Tina on Glee, has appeared on stage inHair at the Hollywood Bowl and Spring Awakening on Broadway. The film is also set to feature Al Calderon and Tyler Blackburn.