Guest Stars Tommie Earl Jenkins as Prince Thomas Gemma-Leah Devereux as Jackie Lemancyzk Jonathan Harden as Agent Nick Cistulli Ali White as Mary Baylor Co Starring Megan McDonnell as Voreen Fionn Ó Loingsigh as Cliff E. Riker Karen Hassan as Amber Sturm Deirdre Mullins as Agent Brenda Cutler Róisín Murphy as Rosalie Sutton Vincenzo Nicoli as J. Lyman Stone Paul Reid as Charlie Sturm Gearoid Kavanagh as Dr. Daniel Mulvaney Brandon Grace as Ross Cho Megan Riordan as Proctor Noah Behan as Young Rudy Callum McCarthy as Young John Baylor