<Ul> <Li> Wyatt McClure as Billy Sparks , the son of a neighbor to the Cooper family , who is not very intelligent . </Li> <Li> Billy Gardell as Herschel Sparks , Billy 's father . </Li> <Li> Melissa Peterman as Brenda Sparks , Billy 's mother who works at the bowling alley frequented by Meemaw . </Li> <Li> Ryan Phuong as Tam Nguyen , Sheldon 's Vietnamese - American childhood best friend and classmate . Tam is responsible for introducing Sheldon to many of his non-scientific interests , including comic books and role - playing games . </Li> <Li> Matt Hobby as Pastor Jeff Hodgkins , the upbeat pastor at the Cooper family 's church . Like Mary , he has friction with Sheldon 's atheism , but he challenges Sheldon to explore their line of thought through logic exercises . </Li> <Li> Valerie Mahaffey as Ms. Victoria MacElroy , Sheldon 's homeroom teacher at Medford High . </Li> <Li> Rex Linn as Principal Tom Petersen , the principal of Medford High . </Li> <Li> Danielle Pinnock as Ms. Evelyn Ingram , Sheldon 's math teacher at Medford High . </Li> <Li> Brian Stepanek as Mr. Hubert Givens , Sheldon 's science teacher at Medford High . </Li> <Li> Doc Farrow as Assistant Coach Roy Wilkins , Sheldon 's P.E. teacher and the assistant football coach at Medford High . </Li> <Li> Sarah Baker as Ms. Sheryl Hutchins , the Medford High librarian . </Li> <Li> Wallace Shawn as Dr. John Sturgis , a college physics professor who is romantically interested in Meemaw with Sheldon 's encouragement . </Li> </Ul>
<Ul> <Li> Wyatt McClure as Billy Sparks , the son of a neighbor to the Cooper family , who is not very intelligent . </Li> <Li> Billy Gardell as Herschel Sparks , Billy 's father . </Li> <Li> Melissa Peterman as Brenda Sparks , Billy 's mother who works at the bowling alley frequented by Meemaw . </Li> <Li> Ryan Phuong as Tam Nguyen , Sheldon 's Vietnamese - American childhood best friend and classmate . Tam is responsible for introducing Sheldon to many of his non-scientific interests , including comic books and role - playing games . </Li> <Li> Matt Hobby as Pastor Jeff Hodgkins , the upbeat pastor at the Cooper family 's church . Like Mary , he has friction with Sheldon 's atheism , but he challenges Sheldon to explore their line of thought through logic exercises . </Li> <Li> Valerie Mahaffey as Ms. Victoria MacElroy , Sheldon 's homeroom teacher at Medford High . </Li> <Li> Rex Linn as Principal Tom Petersen , the principal of Medford High . </Li> <Li> Danielle Pinnock as Ms. Evelyn Ingram , Sheldon 's math teacher at Medford High . </Li> <Li> Brian Stepanek as Mr. Hubert Givens , Sheldon 's science teacher at Medford High . </Li> <Li> Doc Farrow as Assistant Coach Roy Wilkins , Sheldon 's P.E. teacher and the assistant football coach at Medford High . </Li> <Li> Sarah Baker as Ms. Sheryl Hutchins , the Medford High librarian . </Li> <Li> Wallace Shawn as Dr. John Sturgis , a college physics professor who is romantically interested in Meemaw with Sheldon 's encouragement . </Li> </Ul>
who plays the neighbor brenda on young sheldon
who plays the neighbor brenda on young sheldon
Melissa Peterman
Melissa Peterman