Casts
Charles Quigley
as Duncan Richards
Linda Stirling
as Diana Farnsworth
Clayton Moore
as Louis Ashe
I. Stanford Jolley
as Dr. Blackton [Ch. 11]
Kenne Duncan
as Dr. Chambers [Chs. 1-2, 8]
Forrest Taylor
as Prof. Van Wyck
Emmett Vogan
as Anderson [Chs. 1-4]
Sam Flint
as Maxwell
Joseph Forte
as Prof. Parker (as Joe Forte)
Stanley Price
as Count Fator [Chs. 11-12]
