7
/10
Beth Marzdan is a fictional character portrayed by Caroline Cave in the TV series Siren.
In the first episode they appeared in, titled No North Star (season 2), they were 45 years old.
They appear in 10 episodes out of a total of 36 aired

Beth Marzdan

by Caroline Cave

character

Episodes10

  • 7.6
    /10

    No North Star
    episode S2.E9 june 2019
    Everyone deals with the fallout from the oil rig attack; Ryn returns to land to follow through on an agreement she made with the military.
  • 7.5
    /10

    All In
    episode S2.E10 june 2019
    Elaine's treatment from the military's medical trial comes with side effects to the mermaid cells; Helen and Rick learn more about the hybrid status.
  • 7.6
    /10

    Serenity
    episode S2.E12 june 2019
    Ben, Maddie and Ryn venture under the sea to a special place in Ryn's homeland that could help with their conditions.
  • 7.6
    /10

    The Outpost
    episode S2.E13 july 2019
    Ryn must return to her colony for mermaid mating season; Ben and Helen hunt down the hybrids when they lure a mermaid to a remote location.
  • 7.4
    /10

    The Last Mermaid
    episode S2.E14 july 2019
    An unsuccessful mating season leads to questioning the possibility of the mermaids procreating on land; Ryn brings a new mate for the good of the colony.
  • 7.7
    /10

    Sacrifice
    episode S2.E15 july 2019
    Ben and Xander deal with a shocking discovery about Chris and his connection to the military; Helen and Maddie reluctantly seek help from the hybrids as the threat of extinction looms.
  • 8
    /10

    Life and Death
    episode S3.E4 april 2020
    Ben and Maddie help Ryn guide her surrogate though a life-threatening delivery; Helen and Xander deliver a hybrid corpse to Beth at The Ranch.
  • 8.2
    /10

    The Island
    episode S3.E6 april 2020
    Ryn discovers a refuge of injured mermaids that escaped Tia's violent takeover; Ben and Xander get caught in a battle with Tia's troops; Maddie feeds Robb half-truths to secure his discretion; Ted explores his family lineage.
  • 8.4
    /10

    A Voice in the Dark
    episode S3.E9 may 2020
    Tia unleashes a deadly attack on Bristol Cove; Ryn, Ben, and Maddie race against time to find a cure for Xander's mysterious illness, while anticipating Tia's next move; Baby Hope returns to land to reconnect with Ryn.
  • 8.6
    /10

    The Toll of the Sea
    episode S3.E10 may 2020
    In an effort to save Hope, Ryn and Ben confront Tia in an undersea battle between the mermaid tribes; Maddie and Robb work to find a cure for Xander; Helen and the hybrids help restore order.