He was nominated for a Writers Guild of America (WGA) Award for his work on Breaking Bad.

In 2007, he became an executive story editor and writer for the short-lived series Canterbury's Law and wrote the episode "Baggage".

In 2013, Catlin signed with Sony Pictures Television to help develop original projects, while becoming a co-executive producer for Fox's short-lived adaption of the Australian series of the same name, Rake.

[2] In November 2013, it was announced that Catlin was developing a TV series based on the DC Vertigo comic book series Preacher with Seth Rogen and Evan Goldberg, that would be distributed by Sony Pictures Television.

[4] Catlin wrote the pilot episode for the AMC series,[5] and continues to serve as showrunner, writer, and sometime director into the recently ordered third season.