Updated: February 21, 2023

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.