Digby the Biggest Dog in the World. Word Search Puzzle Solver. Digby the Biggest Dog in the World word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Digby consumes a bowl of Project X a liquid growth formula. Soon he becomes a sheepdog of gigantic size! This includes identifying and searching for words that are related to : Dinsdale Landen, Henry McGee, Bob Todd, Norman Rossington, Frank Thornton, Spike Milligan, Victor Spinetti, Milo OShea, Richard Beaumont, Angela Douglas, Richard Calder, Sheila Steafel, John Bluthal, Fernville Lord Digby, Garfield Morgan .