Distribution et crédits de « Jack Armstrong »
Directing
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Wallace Fox
director
Writing
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Lewis Clay
screenplay
-
Leslie Swabacker
screenplay
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George H. Plympton
story
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Royal K. Cole
screenplay
-
Arthur Hoerl
screenplay
Distribution
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John Hart
Jack Armstrong
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Rosemary La Planche
Betty Fairfield
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Claire James
Princess Alura [Chs. 3-6, 9-11, 15]
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Joe Brown Jr.
Billy Fairfield (as Joe Brown)
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Pierre Watkin
Uncle Jim Fairfield
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Wheeler Oakman
Prof. Hobart Zorn
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Jack Ingram
Henchman Blair
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Eddie Parker
Henchman Slade
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Hugh Prosser
Vic Hardy