VIDEO: Sneak Peek - Jeri Ryan Guest Stars on Syfy's HELIX

Jeri Ryan will make a guest appearance on Syfy's Helix. The actress will be guest starring in multiple episodes beginning this Friday, February 14th. Be sure to check out the sneak peek of episode six below, which introduces her character. Helix-Airs Fridays at 10/9c.

Also below, watch the Helix cast (Billy Campbell, Jordan Hayes, Mark Ghanimé, and Kyra Zagorsky) share their behind-the-scenes summary of last week's episode.

Finally, re-watch all the moments that gave us a scare from episode five in 'What The Hell?' moments.

About the show:

"Helix" is an intense thriller about a team of scientists from the Centers for Disease Control who travel to the high-tech research facility, Arctic Biosystems, to investigate a possible disease outbreak, only to find themselves pulled into a terrifying life-and-death struggle that may hold the key to mankind's salvation or total annihilation. However, the lethal threat is just the tip of the iceberg, and as the virus evolves, the chilling truth begins to unravel.

Billy Campbell ("Killing Lincoln," "The Killing") stars as Dr. Alan Farragut, leader of the Centers for Disease Control outbreak field team called upon to investigate and control a potential outbreak. Hiroyuki Sanada ("The Wolverine," "47 Ronin") also stars as Dr. Hiroshi Hatake, director of Arctic Biosystems and its mysterious viral research program.

"Helix" also stars Kyra Zagorsky ("Supernatural") as Dr. Julia Walker; Mark Ghanimé ("Emily Owens, M.D.") as Major Sergio Balleseros; Jordan Hayes ("House at the End of the Street") as Dr. Sarah Jordan; Meegwun Fairbrother as Daniel Aerov; Catherine Lemieux ("White House Down") as Dr. Doreen Boyle, and Neil Napier ("Riddick") as Dr. Peter Farragut.

Ronald D. Moore ("Battlestar Galactica," "Outlander"), Steven Maeda ("Lost," "The X-Files") who is also showrunner, and Lynda Obst ("Contact," "Sleepless in Seattle") are executive producers. The 13-episode series is produced by Tall Ship Productions, Kaji Productions and Lynda Obst Productions in association with Sony Pictures Television. Prolific director and producer Jeffrey Reiner ("Friday Night Lights") directed the premiere episode, which was written by creator and co-executive producer, Cameron Porsandeh.