Threshold
Voltar
Donald SutherlandDr. Thomas Vrain
John MarleyEdgar Fine
Sharon AckerTilla Vrain
Mare WinninghamCarol Severance
Jeff GoldblumDr. Aldo Gehring
Michael LernerHenry De Vici
Richard BlackburnDr. Cutter
Michael C. GwynneJay Wingate
Robert JoyDavid Art
Allan F. NichollsDr. Basil Rents
Kate TrotterMrs. Anderson
Lally CadeauAnita, Vrain's Secretary
Stuart GillardDick Getts
Barbara GordonWanda, Vrain's Scrub Nurse- Samantha LangevinMrs. Clure
Jessica SteenTracy Vrain
Casey StevensLarry Hammond