

The show takes place from 1944 to 2002 and follows the lives of three families: the Crawfords, who seek to cover up the Roswell crash and the existence of aliens; the Keys, who are subject to frequent experimentation by the aliens; and the Clarkes, who sheltered one of the surviving aliens from the crash.
Allie Keys

Dr. Chet Wakeman

Lisa Clarke

Mary Crawford

Owen Crawford

Charlie Keys

Marty Erickson

Tom Clarke

Nina Toth

John

General Beers

Eric Crawford

Becky Clarke

Russell Keys

Amelia Keys

Sally Clarke

Howard Bowen

Jesse Keys

Ray Morrison

Anne Crawford

Captain Walker

Dale Watson

Julie Crawford

Jacob Clarke

Dr. Kreutz

Dewey Clayton

Colonel Breck

Jacob Clarke (Child)

Dr. Harriet Penzler

Lt. Pierce
Jesse Keys (Teen)

Lt. Williams

Bill Walker

Dr. Ellen Greenspan

Lt. Keel

Mary Crawford (Child)
Charlie Keys (Child)

Lisa Clarke (Child)
