UPDATE [July 14]: Torri Higginson has had to withdraw from the convention due to her work schedule. The original story follows.

Two more powerful Stargate women are confirmed for the upcoming Cal Mah 2.0 fan convention in the United Kingdom

Anna-Louise Plowman (“Osiris” / “Sarah Gardner”) and Stargate Atlantis co-star Torri Higginson (“Elizabeth Weir”) have been added to the guest list in recent weeks.

Cal Mah 2.0 will take place September 6 through 8 in Telford, England. The guest list including a few rare treats who Stargate fans rarely have the chance to meet in person.

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Higginson and Plowman join previously announced guests Rachel Luttrell (“Teyla Emmagan”), Suanne Braun (“Hathor”), Kate Hewlett (“Jeannie Miller”), Peter Williams (“Apophis”), David Deluise (“Pete Shanahan”), Alexis Cruz (“Skaara”), Vanessa Angel (“Anise”/”Freya”), Musetta Vander (“Shau’nac”), and artist Gavin Rodrigues.

Braun will also emcee the weekend.

The convention will be held at the Park Inn in Telford, about two and a half hours outside of London. Tickets are on sale via TicketTailor starting at £20 for a day pass, and £30 for the weekend.

Stargate Command (MGM’s official site) and Legion M are both partnering with the event organizers, and will have a presence at the convention.

On Twitter: @FCDEvents