Updated: October 08, 2025

Cast:

Gary Conway as Captain Steve Burton

Don Matheson as Mark Wilson

Stefan Arngrim as Barry Lockridge

Don Marshall as Dan Erickson

Deanna Lund as Valerie Scott

Heather Young as Betty Hamilton

Kurt Kasznar as Alexander Fitzhugh

Kevin Hagen as Inspector Kobick ( Recurring Character )

Land of the Giants guest stars included many familiar faces from other 1950s and 1960s sci-fi / fantasy and adventure series ( e.g. Star Trek, The Twilight Zone, Gilligan's Island, Lost in Space, I Dream of Jeannie ). These popular, well-known character actors included Jack Albertson, Chris Alcaide, Michael Ansara, John Carradine, Yvonne Craig, Charles Drake, Alan Hale, Jr, Jonathan Harris, David Opatoshu, Larry Pennell and Warren Stevens.