Sol Saks Creator Elizabeth Montgomery Samantha Stephens, Serena Actor Dick York Darrin Stephens Actor Agnes Moorehead Endora Actor Kasey Rogers Louise Tate Actor David White Larry Tate Actor Louise Glenn Helen Guest Star Stuart Margolin Ralph Guest Star Robert P. Lieb Blumberg Guest Star Maida Severn Mrs. Blumberg Guest Star Steve Woodman Director Guest Star Gerald York Tech. Director Guest Star William Bassett Prince Charming , Charlie Guest Star Erin Murphy Tabitha Stephens Guest Star Harry Ackerman Executive Producer Ed Jurist Writer William Asher Producer R. Robert Rosenbaum Director