Simon Maxwell Helberg is best known for his role as Howard Wolowitz in the CBS hit television show The Big Bang Theory. The sitcom is centered on five characters: experimental physicist Leonard Hofstadter (Johnny Galecki) and theoretical physicist Sheldon Cooper (Jim Parsons), their neighbor, waitress and aspiring actress Penny (Kaley Cuoco), and geeky co-workers Wolowitz who is an aerospace engineer, and particle astrophysicist Rajesh Koothrappali (Kunal Nayyar).

Read more on Simon Helberg Interview: 'The Big Bang Theory' Star Raises Funds for New Independent Film 'I Am I'…

For the past two years, Shawn Patrick Christian has portrayed the role of Dr. Daniel Jonas, the highly skilled and sexy surgeon that saves lives in the fictional town of Salem on NBC’s daytime drama Days of Our Lives.

Read more on Shawn Christian Interview: 'Days of Our Lives' Star on His 'Naked' Audition…

Born June 15, 1959, Eileen Davidson is known to millions of television viewers as Ashley Abbott on the number one rated dayime drama The Young and the Restless where she originated the role in 1982.  She left the show in 1988 to pursue other interests including appearing on the short-lived series Broken Badges.

Read more on Eileen Davidson Interview: 'The Young and the Restless' Star Responds to Victoria Rowell's Racism Claims…

Film and television actor Corbin Bernsen (who starred as Arnie Becker on the critically acclaimed series L.A. Law as well as the Major League franchise and Kiss Kiss Bang Bang among countless others) currently stars opposite James Roday and Dule Hill in the role of Henry Spencer in the USA Network’s hit series Psych that airs on the USA Network.

Read more on Corbin Bernsen Interview: On His Life and Famous Mother, 'The Young and the Restless' Star Jeanne Cooper…