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The Big Bang Theory (TV Series 2007–2019) cast and crew credits, including actors, actresses, directors, writers and more.
Steven Molaro. Story (64 Episodes), Teleplay (255 Episodes), Writer (3 Episodes) Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Cast table. List indicators. This section includes characters who have appeared in The Big Bang Theory, Young Sheldon, and Georgie & Mandy's First Marriage series with main role. An empty, dark grey cell indicates the character was not in the season. V indicates a voice-only role.
- Main Characters
- Recurring Characters and Minor Characters
- One-Episode Characters
- Mentioned Characters
- Notable Guest Stars Appearing as Themselves
Regular
1. Dr. Leonard Leakey Hofstadter (Johnny Galecki) is an experimental physicist with an IQ of 173 who received his Ph.D. when he was 24 years old. He formerly shared an apartment with colleague and friend Sheldon Cooper. The writers have toyed with a romance between him and neighbor Penny, with their unresolved sexual tension being a major force for drama. Leonard dated Penny for most of Season 3, and while they have since broken up, some sexual tension is still apparent, but they rekindle the...
These characters appear in two or more than two episodes, either frequently or less frequently. The list is sorted by chronological order of appearance, considering their first appearance in the show.
These characters appear in just one episode or in one episode for now until they make more appearances. The list is sorted by chronological order of appearance, considering their first appearance in the show.
These characters have been mentioned in the show, either directly, indirectly or in writing, but have never been seen. 1. Penny's Sister- Penny's sister who is mentioned as having accidentally shot her husband and also has an unnamed son. 2. Penny's Brother-in-law - The husband of Penny's sister who was mentioned in "The Big Bran Hypothesis" when P...
Multiple scenes / multiple episodes
1. Summer Glau (Season 2, "The Terminator Decoupling"): When the guys travel by train to a conference in San Francisco, they realize Summer Glau (who was in two science fiction television shows, Firefly and Terminator: The Sarah Connor Chronicles) is sitting in the same passenger car. Raj, Howard, and Leonard take turns talking with her. Raj can't talk without drinking beer (which turned out to be non-alcoholic), Howard is his usual creepy, over-the-top self, and Leonard can't start a convers...
Cameo appearances
1. Charlie Sheen (Season 2, "The Griffin Equivalency"): When Raj discovers a celestial body he is very excited about it. At Penny's restaurant, Raj says to the patron at the next table over, "Hey, buddy. I'm going to be in Peoplemagazine!"; Charlie Sheen turns around and says "Yeah? Call me when you're on the cover." 2. Analeigh Tipton and Samantha Potter (Season 2, "The Panty Piñata Polarization"): Howard and Raj visit the America's Next Top Modelhouse pretending to be cable television repai...
Neil Casey (born July 28, 1981) is an American actor, writer, and comedian. Casey served as a writer for the NBC sketch comedy series Saturday Night Live from 2012 to 2013, and the Comedy Central series Inside Amy Schumer in 2014, receiving Primetime Emmy Award nominations for Outstanding Writing for a Variety Series for both shows.
Learn more about the full cast of The Big Bang Theory with news, photos, videos and more at TV Guide.
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Aug 22, 2020 · Read on for a who’s who guide to The Big Bang Theory’s cast and their characters. Johnny Galecki – Leonard Hofstadter. Johnny Galecki of Roseanne fame plays Leonard Hofstadter, an experimental physicist employed at Caltech who develops a major crush on his new neighbor Penny.
