Tony Randall

as Dr. Lao / The Abominable Snowman / Merlin the Magician / Apollonius of Tyana / Pan / The Giant Serpent / Medusa / Audience Member

Barbara Eden

as Angela Benedict

Arthur O'Connell

as Clint Stark

John Ericson

as Ed Cunningham / Transformed Pan

Noah Beery Jr.

as Tim Mitchell

Lee Patrick

as Mrs. Howard Cassin

Minerva Urecal

as Kate Lindquist

John Qualen

as Luther Lindquist