Impostor
A top-secret government weapons designer is arrested by a clandestine government organization on suspicion of being a clone created by the hostile alien race wanting to take over Earth.
Gary Sinise
Spencer Olham
Madeleine Stowe
Maya Olham
Mekhi Phifer
Cale
Vincent D'Onofrio
Hathaway
Tony Shalhoub
Nelson Gittes
Tim Guinee
Cale
Gary Dourdan
Capt. Burke
Ivana Miličević
Gang Girl
Burt Bulos
Newscaster
D-Teflon
ESA Soldier (uncredited)
Una Damon
Local Newscaster
Lindsay Crouse
Chancellor
Elizabeth Peña
Midwife (as Elizabeth Pena)
Shane Brolly
Lt. Burrows
Golden Brooks
Cale's Sister
Brian Brophy
Military Official
Scott Burkholder
Jack Stoller
Yvette Ocampo
Kissing Couple Woman (as Yvette Ocampo Coyle)
Cristos
Trooper #2
Erica Gimpel
Newscaster #1
Arly Jover
Newscaster #2
Elizabeth Kate
Maya Lookalike
JoNell Kennedy
Screaming Nurse (as Jonell Kennedy)
Rachel Luttrell
Scan Room Nurse
Malea McGuinness
Screaming Nurse
Diane Mizota
Receptionist
Melinda Renna
Reporter (as Melinda Ramos)
Adam Rodriguez
Trooper #1
Kimberly Scott
Comms Officer
Maury Sterling
Comms Tech
Julie Vitz
Typox Child
Tracey Walter
Mr. Siegel
Rosalind Chao
Newscaster (uncredited)
Clarence Williams III
Secretary of Defense (uncredited)
Connie Nielsen
Newscaster
Veena Bidasha
Frowning Nurse