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Mexican Spitfire Sees a Ghost looks more like a Columbia two-reel comedy than an RKO feature film. Star Lupe Velez, her conservative ad-man husband (Charles "Buddy" Rogers) and good old Uncle Matt (Leon Errol) find themselves in a supposedly haunted house. Actually the "ghosts" are enemy spies, who try to scare off the visitors so they can develop their nitroglycerin bombs in peace. All the standard Old Dark House gags are trotted out, right down to the anticipated "explosive" finale. The sixth film in the "Mexican Spitfire" series, Mexican Spitfire Sees a Ghost achieved a negative fame when it formed half of a double bill with the premiere showing of Orson Welles' The Magnificent Ambersons (42).