Bryan Cranston is the actor of Walter White in Breaking Bad. In the show, Bryan Cranston is the main character and he is 50-52 years old during the course of the show. He is first diagnosed with lung cancer in the first episode of the story. He is a chemistry teacher, so he uses his chemistry skills and  starts off making methamphetamine in a old van.  His drug is different and is the "purest meth", because of his chemistry skills. He starts to become more known in the drug market and starts making millions. Bryan's character changing drastically throughout the show. At the start he is an innocent man and in the end, he has seen the worst and had killed or involved of the killing of 200 people.  He admits that he did all this for himself to his wife.  In the last episode of the show he unfortunately dies after losing everything.

Aaron Paul is the the actor of Jesse Pinkman in Breaking Bad. Aaron Paul's character is first introduced to the show in the first few episodes. Jesse is a drug dealer and user and he is 24 -26  years old during the course of the show. He has many problems involving drug use and smoking.  (Jesse's girlfriend also dies because of drug use). since Jesse is involved in drugs, he helps Walter White sell the drugs, while Walter makes the drugs. "You know the business. I know the chemistry".  Jesse and Walter end up making a lot of money together. although they are good partners, there is still moments in the show where they almost kill each other. Jesse was also used to be Walter White's student, so that is how they know each other. In the last few episodes, Jesse is held captive to make drugs for these people. Walter breaks Jesse out in the last episode and Jesse drives off to live.

Dean Norris is the actor of Hank Schrader in Breaking Bad. Dean Norris's role in Breaking Bad is Walter's brother in law and a DEA agent (Drug Enforcement Administration). Dean Norris appears in many episodes and he is the main conflict in Breaking Bad. He is 42-44 years old during the show. In the first episode of the show, Hank shows Walter and his family the news flash of the DEA busting a meth lab and how much money they found. This is also the main reason why Walter produced meth. There are many close calls with Hank finding out about Walt's drug empire.