Jane Seymour, Rohan Nedd, Kevin Ryan, Amy Huberman, Samantha Mumba, Paul Tylak and Rose O'Neill star in the series, which follows the cases of literature professor Harriet 'Harry' Wild (Seymour) who becomes a private detective.

Acorn TV revealed more about the series' return in the press release below:
“Acorn TV today revealed that season three of Harry Wild, the hit Irish mystery series starring and executive produced by Emmy and Golden Globe Award winner Jane Seymour, will debut on Monday, May 13 on Acorn TV, with a co-premiere on the linear platform of AMC Networks and BBC America.
Season three consists of six episodes and will be available on Acorn TV in the United States, Canada, New Zealand, Australia and the United Kingdom.
In season three, Harry (Seymour) and Fergus (Nedd) are hired to prove that the lead singer of Ireland's most popular boy band did not commit suicide, to find out who beheaded a woman in a busy restaurant, to discover who is a despotic director. murdered on the set of Ireland's biggest daily soap, to finding out how a mysterious writer managed to shoot himself without a gun in a locked panic room, and much more.
Meanwhile, with the agency as busy as ever, Harry and Fergus must find a way to balance work and life as Fergus plans to challenge Paula's (Mumba) custody claim for his sister. The series also stars Kevin Ryan in a regular role as Harry's son and senior police detective, Amy Huberman as Harry's daughter-in-law; and Paul Tylak and Rose O'Neill.
Harry Wild is produced by Dynamic Television. Acorn Media Enterprises co-produces with ZDF. Season three is created and written by David Logan, along with writer Jo Spain, and produced by Jane Seymour, Daniel March, Klaus Zimmermann, James Gibb, Morgan O'Sullivan, James Flynn, Catherine Mackin and Bea Tammer. Robert Quinn and Emer Conroy are the directors.”