Land of the Giants: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Land of the Giants Adventure, Science-Fiction, Action 9/22/68 – 3/22/70 United States GeneralEpisodesCastCharactersGallery Cast See full cast → Gary Conway as Captain Steve Burton 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 Ames Scott Kurt Kasznar as Alexander Fitzhugh Heather Young as Betty Hamilton