Conversation so far:
What was Dragnet with Jack Webb about?
Dragnet was a recurring series based on real cases from LAPD police files, featuring authentic depictions of the modern police detective, including methods, mannerisms, and technical language.
What role did Jack Webb play in Dragnet
Jack Webb played Sgt. Joe Friday in Dragnet
What did Joe Friday do in Dragnet?
Joe Friday is portrayed as a detective in the Los Angeles Police Department in the show Dragnet
Was Dragnet withJack Webb a cop show?
Dragnet is based on real cases from LAPD police files

Question: How long did Jack Webb act in Dragnet?
Self-contained rewrite: How long did Jack Webb act in Dragnet?