Distribution et crédits de « Question de tremblements »
Visual effects
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Willard Bowsky
animation director
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Dave Tendlar
animation
-
William Sturm
animation
-
Willard Bowsky
animation
Production
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Max Fleischer
producer
Directing
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Dave Fleischer
director
Distribution
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William 'Billy' Costello
Popeye (voice) (uncredited)
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Mae Questel
Olive Oyl (voice) (uncredited)
-
Charles Lawrence
Wimpy (voice) (uncredited)
-
Lou Fleischer
Skeletons (voice) (uncredited)