The program's central characters (see below) were created by Martin Roth; Ted Post helped Roth develop its core format.
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The show had a racially mixed cast, starring Terry Lester as Ark II's commander, Jonah, Jean Marie Hon as Ruth, José Flores as Samuel, and a chimpanzee (owned and trained by Darrell Keener) responding to the name of Adam.
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The show's premise was inspired by the story of Noah's Ark, and the characters were given names taken from the Hebrew Bible.
Raiders of the Lost Ark | Noah's Ark | Ark of the Covenant | Russian Ark | Ark | HMS Ark Royal | The Ark | Joan Van Ark | HMS Ark Royal (R09) | Zoé's Ark | The Overloaded Ark | The Ark (ship) | The Ark (Doctor Who) | "The Ark" | Brian Vander Ark | Ark of Taste | Ark (Norwegian band) | Ark (Brendan Perry album) | Ark 21 Records | Zoé's Ark controversy | United States v. Wong Kim Ark | The Last Flight of Noah's Ark | The Ark of the Sun God | The Ark (band) | Super 3D Noah's Ark | Solar Ark | Schindler's Ark | Redemption Ark | Planet Ark | Noah's Ark Water Park |