Mark Farrell is a Canadian comedian and screen writer who has written or co-written nearly 40 Corner Gas episodes. He acted as a co-creator and producer during the first few seasons, but became less involved as it went on. As well as being a writer and producer, he has also directed several episodes (Blog River, Comedy Night, Picture Perfect, I, Witness and Trees a Crowd). He appears in an on-screen cameo as "Man" in the first scene of the first episode, "Ruby Reborn". Despite his involvement in the series, he was not a part of the making of Corner Gas: The Movie.