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Marty Erickson
13 episodes
Russell Keys
Anne Crawford
Howard Bowen
Tom Clarke
12 episodes
Sally Clarke
Becky Clarke
Jesse Keys (Teen)
Dr. Kreutz
Jacob Clarke (Child), Jacob Clarke
Charlie Keys (Child), Young Charlie
Mary Crawford (Child), Young Mary
Lt. Keel, Lt Keel
Jacob Clarke, Jacob Clarke (Adult)
Eric Crawford
11 episodes
John
Bill Walker
Dr. Ellen Greenspan
Lisa Clarke (Child), Young Lisa
Lt. Pierce, Lt Pierce
Allie Keys
10 episodes
Dr. Chet Wakeman
Lisa Clarke
Mary Crawford
Owen Crawford
Charlie Keys
Nina Toth
General Beers
Amelia Keys
Jesse Keys
Ray Morrison
Captain Walker
Dale Watson
Julie Crawford
Dewey Clayton
Colonel Breck
Dr. Harriet Penzler
Lt. Williams
Denny
3 episodes
Kate Keys
2 episodes
Carol Clarke
Nora
Ben
Dorothy
Pete
Tech on Monitors
Cynthia
Milo
Doofus
Carny
Bill Jeffries, Bill Jeffries (voice) (uncredited)
1 episode
Allie at 3 yrs
Luke Reynolds
Buzz
Dr Findlay
Sweatshirt Guy
Interviewer
Ronnie
Danny Holding
Orbital Analyst
Guitar Player
Docent
Lisa at 13 yrs
Roadblock Soldier
News Reporter
Clauson
Used Car Salesman
Man in Crowd
National Guard Soldier
Superior Fish Tech
Woman in Crowd
Radio Caller
