William Hurt

Prof. John Robinson

Matt LeBlanc

Maj. Don West

Mimi Rogers

Dr. Maureen Robinson

Heather Graham

Dr. Judy Robinson

Gary Oldman

Dr. Zachary Smith

Lacey Chabert

Penny Robinson

Jack Johnson

Will Robinson

Jared Harris

Older Will Robinson

Mark Goddard

General

Lennie James

Jeb Walker

Marta Kristen

Reporter #1

June Lockhart

Principal Cartwright

Angela Cartwright

Reporter #2

John Sharian

Noah Freeman

Abigail Canton

Annie Tech

Gary A. Hecker

Blarp (voice)

Edward Fox

Businessman