表演
christopher orr/pitt henderson
david w. akin/weller
sanford gibbons/police captain
吕蓓卡·盖哈特/cassy winslow
尼尔·麦克唐纳/randy north
terry james/father nightmare
ginny harman/leah
chuck mccann/head of the center for disease control
蒂姆·迪凯/mike landry
alfred cerullo/cnn reporter
jason schombing/assistant detective
乔·鲍里托/det. kemper
h. richard greene/sgt. kinsella
tori bridges/patient
larry jones/paramedic
michael warren/dr. harlan mccoy
michael wayne/little boy
dawn m. davis/mother of little girl
werner rose/dr. walter kirkland
denice duff/denice
byron browne/alien centurian guard
louis crugnali/john ochoa
william bolander/orderly
mark demichele/orderly
bradley c. golden/patient
michael emanuel/security chief
rosanna desoto/nancy ochoa
sam smiley/pete
金·凯特罗尔/dr. sheila moran
卢克·贝里/beau stark
castulo guerra/eugene ochoa
laurie beth little/sally
ken kolb/husband
adelina sinohui/janet, north's secretary
brian brophy/medical examiner
larry 'tank' jones/emt
john mack/sgt. hoover
dan danielson/ed partridge
stephen joyce/dr. philip hayden
肯·克拉克/mechanic
george dobbs/cop #1
约翰·芬/airbase colonel brown
maría celedonio/andie
joseph neibich/beau's assistant
角色
airbase colonel brown
alien centurian guard
andie
assistant detective
beau stark
beau's assistant
cassy winslow
cnn reporter
cop
denice
det. kemper
dr. harlan mccoy
dr. philip hayden
dr. sheila moran
dr. walter kirkland
ed partridge
emt
eugene ochoa
father nightmare
head of the center for disease control
husband
janet
john ochoa
leah
little boy
mechanic
medical examiner
mike landry
mother of little girl
nancy ochoa
orderly
paramedic
patient
pete
pitt henderson
police captain
randy north
sally
security chief
sgt. hoover
sgt. kinsella
weller