All The Amazing Guest Stars On Young Sheldon

During its short time on the air, Young Sheldon has had a wealth of guest stars in its first season! As the freshman series continues, let's take a look back at the many memorable cameos and guest appearances so far. Watch all-new episodes of Young Sheldon on Thursdays at 8:30/7:30c on CBS and CBS All Access.

From veteran celebs to real-life tech moguls!

During its short time on the air, Young Sheldon has had a wealth of guest stars in its first season!

STREAM: Full Episodes Of Young Sheldon On CBS All Access

As the freshman series continues, let's take a look back at the many memorable cameos and guest appearances so far.

Watch all-new episodes of Young Sheldon on Thursdays at 8:30/7:30c on CBS and CBS All Access.

Bob Newhart

In the premiere episode, Bob Newhart made a cameo on the Cooper family TV as a younger version of his Professor Proton character from The Big Bang Theory.

See Professor Proton in his element in "Pilot," now on CBS All Access.

Vernee Watson

Young Sheldon isn't Vernee Watson's first rodeo playing a nurse; she's also played one in multiple episodes of The Big Bang Theory.

See Vernee's Nurse Robinson treat George Sr. in "Poker, Faith, and Eggs," now on CBS All Access.

Jason Kravits

Character actor Jason Kravits became one of young Sheldon's (Iain Armitage) many mortal enemies as NASA representative Dr. Ronald Hodges.

See Jason butt heads with the wunderkind in "A Patch, a Modem, and a Zantac," now on CBS All Access.

Elon Musk

Elon Musk made a guest appearance as himself in a flash forward scene revealing that the Tesla founder drew on nine-year-old Sheldon's equations for how to successfully land a rocket.

See this hilarious reveal at the end of "A Patch, a Modem, and a Zantac," now on CBS All Access.

Harry Groener and Frances Conroy

Sheldon's brief stay at a private school family's home came with a cameo twofer in the oh-so-scholarly Dr. Flora (Frances Conroy) and Elliot Douglas (Harry Groener).

See Sheldon's quirky interactions with the couple in "An Eagle Feather, a String Bean, and an Eskimo," now on CBS All Access.

Billy Gardell

Mary (Zoe Perry) paid a visit to Billy Sparks' father, played by Mike & Molly alum Billy Gardell, to talk about their sons' controversial roleplaying game.

See Herschel Sparks' reaction to Mary's worry in "Demons, Sunday School, and Prime Numbers," now on CBS All Access.

Coming up, on Thursday, Apr. 5 at 8:30/7:30c, Billy returns as Herschel Sparks in the all-new episode "Jiu-jitsu, Bubble Wrap, and Yoo-hoo."

Sarah Baker

Actress Sarah Baker plays a Mormon librarian, Ms. Hutchins, at Sheldon's school—and she has quite a few insights on the matter of her religion.

See Ms. Hutchins' crisis of faith in "Demons, Sunday School, and Prime Numbers," now on CBS All Access.

Richard Kind

Comedian actor Richard Kind imparts some words of wisdom to Sheldon as Medford's resident Judaism expert, Ira Rosenbloom.

See Ira's full breakdown of the Jewish faith in "Demons, Sunday School, and Prime Numbers," now on CBS All Access.

Jason Alexander

TV and comedy legend Jason Alexander guest starred as Sheldon's drama teacher in "Killer Asteroids, Oklahoma, and a Frizzy Hair Machine."

Watch Jason Alexander impart his dramatic knowledge in "Killer Asteroids, Oklahoma, and a Frizzy Hair Machine" now on CBS All Access.

Watch all-new episodes of Young Sheldon on Thursdays at 8:30/7:30c on CBS and CBS All Access.

Melissa Peterman

Comedian Melissa Peterman stars in the episode "Jiu-jitsu, Bubble Wrap, and Yoo-hoo," where Sheldon is bullied by an unlikely character, and Mary and George disagree on how to handle the situation.

Watch Melissa Peterman in the Young Sheldon episode "Jui-jitsu, Bubble Wrap, And Yoo-Hoo" On CBS All Access.

Watch all-new episodes of Young Sheldon on Thursdays at 8:30/7:30c on CBS and CBS All Access.