Teddy Knox, a failed inventor, finds the key to a Stone Age riddle.

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Main Cast: Charles Dance, Bill Paterson, Eamonn Hunt, Mal Whyte, Guy Carleton, Jack Paterson, Frankie McCafferty, Tim Hunt

Director: Damien O'Donnell

Writer: Damien O'Donnell

Editor: Tom O'Flaherty

Cinematographer: Harry Purdue

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