"Special! The peril-packed story of the Door Without a Key!"
- Bob Kane, penciller (verified by Schwartz)
- Charles Paris, inker (verified by Paris)
- , colourist
- Ira Schnapp, letterer (credit by O'Hearn/Desris)
- Whitney Ellsworth, original Editor
- Batman with Robin the Boy Wonder
- Bob Kane, penciller (Batman & Robin figures only)
- Lew Schwartz, penciller
- Charles Paris, inker
- Ira Schnapp, letterer
- Whitney Ellsworth, editor
There was no separate UK version of this issue (UK printings began from issue 21)
Printed by Associated Newspapers Ltd., for Colour Comics Pty. Ltd., Sydney, proprietors, and published by the K. G. Murray Publishing Company Pty. Ltd., 56 Young Street, Sydney. Gordon and Gotch (A/sia) Ltd., distributors for Australia and New Zealand; Atlas Publishing and distributing Co. Ltd., 14 Bride Lane, Fleet Street, London, E.C.4, distributors for the British Isles.