who acted out the first mentioned character from the list you mentioned?
Bryan Cranston
Breaking Bad
It was set and filmed in Albuquerque, New Mexico, and tells the story of Walter White (Bryan Cranston), an underpaid and dispirited high school chemistry teacher who is struggling with a recent diagnosis of stage-three lung cancer. 
who did gus kill with a box cutter Gus slices his loyal henchman Victor's throat with a utility knife. what does this cutter refers to? It is the fourth season premiere of the American television drama series "Breaking Bad". who directed this season? Adam Bernstein what are the characters of the above tv series? "Walter White”, "Jesse Pinkman” and "Gus Fring” are some of them. from where has its concept developed? The concept emerged as Gilligan talked with his fellow "X-Files" writer Thomas Schnauz regarding their current unemployment and joked that the solution was for them to put a "meth lab in the back of an RV and drive around the country cooking meth and making money".
wiki:16193602
Breaking Bad [SEP] Introduction
Breaking Bad is an American neo-Western crime drama television series created and produced by Vince Gilligan. The show aired on AMC from January 20, 2008, to September 29, 2013, consisting of five seasons for a total of 62 episodes. It was set and filmed in Albuquerque, New Mexico, and tells the story of Walter White (Bryan Cranston), an underpaid and dispirited high school chemistry teacher who is struggling with a recent diagnosis of stage-three lung cancer. White turns to a life of crime, partnering with his former student Jesse Pinkman (Aaron Paul), by producing and distributing crystallized methamphetamine to secure his family's financial future before he dies, while navigating the dangers of the criminal underworld.