|Family||Mary McLean (Sister)|
|Affiliations|| Jake Doyle (Friend)|
Kathleen Doyle (ex-girlfriend)
|Behind the Scenes|
|First appearance||Fathers and Sons|
|Last appearance||Family Business|
|Appears in||Fathers and Sons|
|Portrayed by||Sean Panting|
Walter McLean is a character featured in Republic of Doyle.
Walter and Jake Doyle are best friends, and have been since childhood. Walter was an accomplice during many of the activities, crime, and mischief that Jake got up to as a child. As an adult, Walter became a lawyer and often aids Jake during his investigations.
Walter also has a sister, Mary. Though he did not find out until adulthood, Jake and Mary had sexual relations in their teens. Upon hearing this, Walter punched Jake in the face, but they remained friends.