L Sprague de Camp—GoH
Elliot Kay Shorter
Eve is Drew's mother; Drew is playing the role of Grag the Robot. Scratch Bacharach can be glimpsed in the back.
John Schoenherr
Karen Blank & Richard Harter
Group 1: Tony Lewis, Ben Bova, Barbara Berson (later Bova), Jo Ann Wood
Group 2: seated left rear: Rick Gellman, unknown; seated left front: Fuzzy Pink and Larry Niven; right: Tony Lewis, Scratch Bacharach