In an interview promoting his new memoir, ?A Life in Parts,? Bryan Cranston discusses an incident that helped him develop the Walter White character. In the memoir, the actor details his experience with an unstable ex-girlfriend who threatened his life. The ?Breaking Bad? star told the associated press ? I was flush with fear and I felt like a trapped animal and I realized that I was capable of killing someone.? Cranston has been married to actress Robin Dearden for twenty-seven years.