Toby Stephens
John Robinson (8 eps)
Molly Parker
Maureen Robinson (8 eps)
Maxwell Jenkins
Will Robinson (8 eps)
Taylor Russell
Judy Robinson (8 eps)
Mina Sundwall
Penny Robinson (8 eps)
Ignacio Serricchio
Don West (8 eps)
Brian Steele
Robot (8 eps)
Parker Posey
June Harris / Dr. Zoe Smith (8 eps)
Theresa Wong
Dr Kinoshita (2 eps)