Granddaughter to S.G.C. base commander George Hammond, younger sister to Tessa. Kayla and Tessa were taken from school by N.I.D. agents attempting to stir Hammond into leaving the S.G.C. to avoid further harm to his family.
PLAYED BY -
FIRST APPEARED - Crystal Skull
Crystal Skull - Kayla calls her Grandfather to report that she's lost another tooth, and hopes he can attend her play.
Chain Reaction - Tessa and Kayla are kidnapped by the N.I.D. and then go to Hammond's home for a visit with their Grandfather.