Joshua Malina – Melissa Merwin : Married (1996 to Present)
You may recognize Joshua from his roles on the hit TV series Scandal and The West Wing. On The Big Bang Theory, he plays the character Dr. Siebert. His character is the president of the California Institute of Technology, or also known as CalTech, where the show’s resident scientists work. Joshua married Melissa Merwin in 1996. She works as a costume director and has done work for many TV series in her career. The pair have two children – a girl and a boy.
Mark Harelik – Spencer Kayden : Married (2004 to Present)
Before he starred on The Big Bang Theory as Dr. Eric Gablehauser, Mark Harelik was already a sitcom veteran. He had appearances on shows like Boy Meets World, Seinfeld and Will and Grace. He is married to actress Spencer Krayden and the couple have appeared on stage together, acting in a number of theater shows. Spencer is best known for being part of the Broadway production Urinetown. She also had a role on the TV series MADtv. The couple have a child together.