First of four appearances of Michael J. London in the series. He appears in all four television movies. In this one he is a sailor nicknamed Popeye. In the others he is part of the Cetacean crew.
A short-lived comic book series of Man from Atlantis was published by Marvel Comics from February to August of 1978. The series was in publication during the last four episodes of the TV series, "Scavenger Hunt", "Imp", "The Siren" and "Deadly Carnival".
Scenes from the pilot movie are incorporated into Man from Atlantis 1 as flashbacks and the scene in which Ernie the diver learns about Mark Harris' abilities is replayed in Man from Atlantis 2 with a similar character named Freddy.
Patrick Duffy was the cover feature of the Thursday, September 10th, 1977 issue of TV Guide. The issue included a brief segment discussing the four TV movies and the upcoming regular series. It also gives brief insight into the abilities of Mark Harris.
Man from Atlantis was also featured in an article in the November, 1977 issue of Pizzazz (cover feature: Spider-Man).
Following the conclusion of the series, actor Patrick Duffy had a long and notable career playing Bobby Ewing on the night time soap opera Dallas.
