स्पीशीज़

Natasha Henstridge

Sil

बेन किंग्सले

Xavier Fitch

Michael Madsen

Preston Lennox

Marg Helgenberger

Dr. Laura Baker

Alfred Molina

Dr. Stephen Arden

Forest Whitaker

Dan Smithson, Empath

Michelle Williams

Young Sil

Jordan Lund

Aide

Herta Ware

Mrs. Morris

William Utay

Colleague

Don Fischer

Aide

Scott McKenna

Train Hobo