Main Characters Will Robinson 84 main appearances Robot 84 main appearances Narrator 84 main appearances Dr. Zachary Smith 80 main appearances Professor John Robinson 21 main appearances Dr. Maureen Robinson 21 main appearances Judy Robinson 20 main appearances Penny Robinson 18 main appearances Major Donald West 11 main appearances Robot 10 main appearances
Recurring Guest Characters Handsome Alien 1 guest appearances Space Hippie 1 guest appearances Athena 1 guest appearances Urso 1 guest appearances Sagramonte 1 guest appearances Gundemar (uncredited) 1 guest appearances Gundemar (voice uncredited) 1 guest appearances Mr. O.M. 1 guest appearances Zumdish 1 guest appearances Security Guard 1 guest appearances Monster 1 guest appearances Wooden Soldier 1 guest appearances Barfly 1 guest appearances Smeek 1 guest appearances The Boy 1 guest appearances Giant Bird Monster 1 guest appearances Giant Debbie the Bloop 1 guest appearances Sybilla 1 guest appearances Effra 1 guest appearances Keel 1 guest appearances ⇤ « 1 2 3 » ⇥