Art credits confirmed by Mortimer.
Writer credit verifed by Martin O'Hearn, penciler credit verified by Dick Sprang and inker credit verified by Charles Paris.
First Arnold Drake story for DC. The character Simak was possibly named for science-fiction writer Clifford Simak.
Script credit by Martin O'Hearn. Inker credit verified by Charles Paris.
Script credit by Martin O'Hearn. Inker credit verified by Charles Paris.