Before joining the regular cast, Walkinshaw made three guest appearances in The Bill in 1992, 1993 and 1995. Four years later, while he was acting in a stage production at the Royal Court Theatre, one of The Bill'''s producers asked Walkinshaw to audition for the role of PC Dale "Smithy" Smith.
Before joining the regular cast, Walkinshaw made three guest appearances in The Bill in 1992, 1993, and 1995. Four years later, while he was acting in a stage production at the Royal Court Theatre, one of The Bill's producers asked Walkinshaw to audition for the role of PC Dale "Smithy" Smith.