Characters played by Sonny Tufts
Laird Grainger
Characters played by Victor Jory
Kip Reissner
Characters played by Marie Windsor
Helen Salinger
Characters played by Susan Morrow
Lambda
Characters played by Douglas Fowley
Walter 'Walt' Walters
Characters played by William Phipps
Douglas 'Doug' Smith
Characters played by Carol Brewster
Alpha
Characters played by Bette Arlen
Cat-Woman
Characters played by Suzanne Alexander
Beta
Characters played by Roxann Delman
Cat-Woman
Characters played by Ellye Marshall
Cat-Woman
Characters played by Judy Walsh
Cat-Woman