Nicholas Lea as Dr. Jerome 'Geronimo' Horne

Jamie Luner as Dr. Savannah Bailey

Steve Bacic as Frank Hansen

David Lipper as Matt Bailey

Teryl Rothery as Shelley Hansen

Karl Pruner as Quidd

Anthony Sherwood as Dr. Thaddeus Owens

Marie Ward as Sheila

Stephen J. Cannell as Pacheco Laval

Colin Glazer as Clay Collins

Joseph Marrese as Kerry Hansen

Evan Caravela as Terry Hansen

Patrick Garrow as Henry Pynchon