Action Comics (vol. 1) #20 (Jan. 1940):
“Superman and the Screen Siren”
by Jerry Siegel, Joe Shuster

Action Comics (vol. 1) #20

Title: “Superman and the Screen Siren”

Medium: comic

Cover date: Jan. 1940

Publisher: DC
Written by: Jerry Siegel
Art by: Joe Shuster

8 characters in this story:

(Click links for info about character
and his/her religious practice, affiliation, etc.)
Pub. #
Superman Superman (Clark Kent) hero
CBR Scale: S Methodist / Kryptonian religion
Kryptonians; Super Friends...  DC 13,409
The Ultra-Humanite The Ultra-Humanite villain
CBR Scale: S Nazi; classical music
Secret Society of Super Villains; Time Stealers
[Superman's 1st super-villain foe]
DC 59
(9-panel cameo)
supporting character
 indeterminate  [guard] DC 1
unnamed studio chief
(4-panel cameo)
supporting character
 indeterminate  [CEO; film producer] DC 1
Dolores Winters Dolores Winters
(3-panel cameo)
supporting character
 indeterminate  [actress] DC 1
unnamed assassin
(3-panel cameo)
CBR Scale: I manifestly non-religious
[assassin] DC 1
George Taylor George Taylor
(2-panel cameo)
supporting character
CBR Scale: S religious/ethical
[Clark Kent's first boss] DC 65
The King of Siam The King of Siam (Ananda Mahidol Mahidol)
real/historical person
CBR Scale: M Buddhist
[king] DC 2