Guest Stars Gary Jones as Sgt. Walter Harriman Cliff Simon as Ba'al Barclay Hope as Col. Lionel Pendergast Peter Flemming as Agent Malcolm Barrett Louis Gossett, Jr. as Gerak Kendall Cross as Julia Donovan Sonya Salomaa as Charlotte Mayfield / Athena Chilton Crane as Sheila Jameson Co Starring Martin Christopher as Marks Simone Bailly as Ka'lel Gardiner Millar as Yat'yir Diego Klattenhoff as Team Leader Kevin Blatch as Tobias David MacInnis as Agent Williams Ken Dresen as Alex Jameson