Characters played by Ward Costello
Dr. Robert Hedges
Characters played by Joyce Holden
Claire Erling
Characters played by Frederic Downs
Prof. Howard Erling
Characters played by John Stratton
Victor
Characters played by Salome Jens
Future Woman
Nurse
Characters played by Fred Herrick
Angelo
Characters played by Beatrice Furdeaux
Miss Blake
Characters played by Jack Diamond
First Lab Technician
Characters played by Fred Taylor
Second Lab Technician
Characters played by Bill Downs
Dr. Blair
Characters played by William Cost
Joe the Bartender