When Groundskeeper Willie is kidnapped to Scotland, Bart and the Simpsons follow - only to discover that what awaits is Homer's worst nightmare.
Dan Castellaneta
Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)
Julie Kavner
Marge Simpson / Patty Bouvier / Selma Bouvier (voice)
Nancy Cartwright
Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)
Yeardley Smith
Lisa Simpson (voice)
Hank Azaria
Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)
Harry Shearer
Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)
Grey DeLisle
Martin Prince (voice)
Paul Higgins
Hamish (voice)
Karen Gillan
Maisie (voice)
David Tennant
Pa MacWeldon (voice)
Stuart Murdoch
Stuart Murdoch (voice)
Stevie Jackson
Stevie Jackson (voice)
Chris Geddes
Chris Geddes (voice)
Richard Colburn
Richard Colburn (voice)
Bobby Kildea
Bobby Kildea (voice)
Sarah Martin
Sarah Martin (voice)
Pamela Hayden
Milhouse Van Houten (voice)
Chris Edgerly
(voice)
Tress MacNeille
Brunella Pommelhorst / Lunchlady Dora (voice)