Stars Valerie Bertinelli, Kelsey Grammer and Lauren Graham will also search their family history on the TLC series
Boaz Yakin is directing the movie, which stars Josh Wiggins, Thomas Haden Church and Lauren Graham
"Someday, Someday, Maybe" is based on Graham's best-selling novel
Lauren Graham and experts on drug courts will also be guests
Stamberg will play a new addition to Sarah's building in NBC series
Duo to cameo in Wes Craven's slasher sequel, which Dimension will release next April
Anthony Anderson and model Marielle Jaffe also have been cast in Wes Craven's slasher sequel
Takes role vacated by Maura Tierney in NBC sitcom.