Ian Scott Rudolph as Captain Sweatpants – Then
Captain Sweatpants is still a character on “The Big Bang Theory,” despite the fact that he doesn’t have a specific position or even a name.

Because he is frequently spotted sporting sweatpants and a well-known superhero t-shirt, he is known as Captain Sweatpants. He frequently appears at comic book stores and appeared in seasons 2 through 7.
Brian George as Dr. V.M Koothrappali – Then
On “The Big Bang Theory,” Dr. V.M. Koothrappali has had a fairly contentious role, but we still like him.

He portrays Raj’s father and practices gynecology in New Delhi, India, with great success. He is most often seen talking to his wife over video chat. He initially appears in person in episode 8 of season 8, “The Clean Room Infiltration.” Hello, Dr.
Brian George as Dr. V.M Koothrappali – Now
Brian George’s life is diverse in real life, just like his role in TBBT. Since his birth in Jerusalem, he has lived in Israel, London, and is now a resident of Toronto, Canada.

He attended the University of Toronto to study theater and performing arts, and since 1976, he has worked in comedy and drama on television and as a voice actor. He received a significant playing role in “Austin Powers: International Man of Mystery” in 1997. He is well known for his work on “The Big Bang Theory” and “Seinfeld,” where he played Babu Bhatt.
Alice Amter Mrs. Koothrappali – Now
Funny enough, like her on-screen husband, Alice Amter has traveled around a lot. The English actress has lived abroad, including in the United States, Japan, Germany, France, and England.

In her 30s, Alice Amter relocated to Los Angeles to pursue her acting career. Dr. Kapoor was her character in “Hot in Cleveland.” Her work on “The Big Bang Theory” has received the greatest attention.
Casey Sander as Mike Rostenkowski – Then
It’s never simple to meet parents, particularly when that father is Mike Rostenkowski. Mike portrays the father of Bernadette and the father-in-law of Howard.

Mike is a seasoned police officer who has since retired. Howard is cautioned by Bernadette not to bring up Jimmy Carter, organic food, gun control, or immigrants. He appears in episodes of 5, 6, 7, and 9.
Casey Sander as Mike Rostenkowski – Now
Casey Sandler has a rather strong record, despite the fact that he might not be as well-known as some of the other actors on our list.

He has appeared on several TV shows, including, to mention a few, “Malcolm in the Middle,” “Hunter,” “Buffy the Vampire Slayer,” “Criminal Minds,” “Mad Men,” “Rules of Engagement,” and “Sons of Anarchy.” As a side note, Casey Sander and Richard Karn were close friends while attending the same school. We’d be thrilled to meet him!
Vernee Watson-Johnson as Althea – Then
Although you might not recall her from the series, this character really had a few very memorable moments. Throughout the whole series, Althea works as a nurse in the hospital, overseeing the sperm bank, the patient floor, and the emergency room.

The persona of Vernee is simultaneously serious and humorous. Additionally, Althea was one of the few Sheldon and Leonard-related characters from the unaired pilot who was carried over to the series. Score one for Althea!
Vernee Watson-Johnson as Althea – Now
Vernee Watson-Johnson, who appears to do it all, is a highly skilled actor, voice actress, author, and acting instructor. She has other accomplishments besides being known for her role in “The Big Bang Theory,” though.

Both as Will Smith’s mother in “The Fresh Prince of Bel-Air” and as Verna Jean Williams on the iconic television series “Welcome Back, Kotter,” she is well-known to viewers. Along with these shows, she has also appeared in “The X-Files,” “Dexter,” “Two and a Half Men,” and others.
Mark Harelik as Dr. Eric Gablehauser – Then
If your employer starts dating your mother, it’s probably a bad thing, and Sheldon Cooper experienced this firsthand. Leonard, Raj, and Sheldon answer to Dr. Eric Gablehauser, the head of the Caltech Physics Department.

Sheldon dislikes him despite the fact that he performs his job competently and treats his patients with respect. The Big Bang Theory’s Dr. Eric Gablehauser has featured in seasons 1 and 2.
Mark Harelik as Dr. Eric Gablehauser – Now
Mark Harelik experimented and dabbled in a variety of sectors of the performing profession, much like many of the actors and actresses on this list. In addition to being an actor, he also writes plays.

Mark has had a long and successful acting career, appearing in well-known films and television programs including “Jurassic Park III,” “Seinfeld,” “Breaking Bad,” “Prison Break,” and “Battle of the Sexes,” to mention a few. We really anticipate seeing him in his upcoming role.