Story: "Deadly Arrival" (22 Pages)

Credits:

Len Wein and George Perez (plot)
Greg Potter (script)
George Perez (pencils)
Bruce D. Patterson (inks)
John Costanza (letters)
Tatjana Wood (colors)
Karen Berger (edits)

Feature Character:

Princess Diana

Supporting Characters:

Steve Trevor
Etta Candy
Hermes
Julia Kapatelis (chronologically last appearance in her narrative to Diana in #18, which is retold in the flashback form, with additional details added, in the third flashback in Wonder Woman Annual #1) and Vanessa Kapatelis (chronologically last behind the scenes in the third flashback in Wonder Woman Annual #1; first appearance of both)
Queen Hippolyta and the Amazons of Paradise Island (appear very briefly in Julia's vision in this story, which foreshadows the fourth flashback in Wonder Woman Annual #1; see that issue for Hippolyta's chronological details)
General Hillary

Villains:

Ares (behind the scenes)
"General Sam Tolliver"
Decay
Deimos
Phobos

Other Characters:

Colonel Matthew Michaelis
Pythia (unnamed in this story; appears only briefly in the flashback Julia has to her being rescued by the Amazons in 1937; these brief images, and Pythia's role in them, are expanded upon [and her name revealed] in the fourth flashback in Wonder Woman Annual #1, which is also her first actual appearance)
Eliot and Simmons