Daniel Harcourt
From Tardis Wiki, the free Doctor Who reference
Daniel Harcourt (also credited as Daniel Matthews), played Christian Purcell in The Devil of Winterborne (credited as Daniel Matthews) and Ghosts of Winterborne (credited as Daniel Harcourt). He also played Michael Kirkwood, and the Zygon impersonating him (Kritakh), in Zygon: When Being You Just Isn't Enough (credited as Harcourt). A still frame of his likeness as Michael was also used in Lauren Anderson to depict Stacey Facade's impersonation of Michael.