Guest Stars Patrick McKenna as Frank Kanaskie Catherine Disher as Dr. Linda Tuttle Diego Fuentes as Bruno Dias Salvatore Antonio as Robert Farina Stephanie Belding as Lonnie Masterson Lisa Ryder as Wendy Goldman Anusree Roy as Nurse Patel Jean Yoon as Imena Khumalo Kate Hewlett as EMS Nicole Foster Athena Karkanis as Gwen Deveaux Eric Woolfe as Cabbie Nabil Rajo as Garth the Technician Angelica Lisk-Hann as Stunt Nurse David Patrick Green as Specialist #1 Steve Cumyn as Christopher McNaughton Sharmila Dey as Imaging Tech Omar Alex Khan as Doctor Sandy Duarte as Nurse Jessica Rose as Nurse #2 Jon Steinberg as Moppy Joe