Dr. Sean O'Grady

Doug Savant

Acting

Janet Reardon

Nia Peeples

Acting

Sterling Rombauer

Michael Ironside

Acting

John Cabot

Roy Thinnes

Acting

Margaret Desmond

Jenny O'Hara

Acting

Dr. Deborah Levy

Khandi Alexander

Acting

Brian O'Grady

Gregg Henry

Acting

Security Chief

Richard Riehle

Acting

Sheila Adamson

Jamie Rose

Acting

Lt. Johns

Joe E. Tata

Acting