Casts
Peter Graves
as Jeff Knight
Eileen Dietz
as Dana
Frank Ashmore
as George Walker
Dick Sargent
as Dr. Jameson
Keenan Wynn
as Jake Noble
Lurene Tuttle
as Anna Noble
Frank Birney
as Reporter Birney
Eugene Robert Glazer
as Guide #2 (as Gene Glazer)
Tim Donnelly
as Richard (as Timothy Donnelly)
Chuck Hayward
as Walker Man
