His other roles included the mysterious reporter Dave Teagues on the supernatural drama series Haven (2010–2015) and Officer McNabb in the CBC film Shattered City: The Halifax Explosion (2003).

[2] Dunsworth began acting in numerous CBC radio dramas after dropping out of university, and had starring roles in many stage productions at the Neptune Theatre in Halifax.

[3] In 1970, he leased an abandoned building on Halifax's waterfront and converted it into a playhouse called the Pier One Theatre; it became the city's first and most successful alternative theater.

[2] He appeared alongside fellow Trailer Park Boys co-stars John Paul Tremblay and Robb Wells in the film Virginia's Run (2002).

[17] He was a boating enthusiast who frequently spent time on his yacht, Emerald Princess, and enjoyed building granite sculptures and structures with stone and concrete; he documented the latter on his YouTube channel.

[20][21] In a statement, his daughter Sarah described the illness as "short and unexpected" and stated that Dunsworth was an "amazing husband, father, and grandfather".

[20] On May 26, 2021, a Facebook post by a fan page under the control of Dunsworth's surviving family and friends revealed complications from thrombotic thrombocytopenic purpura as his cause of death.