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

Barbara Eden
Angela Benedict

Arthur O'Connell
Clint Stark

John Ericson
Ed Cunningham / Transformed Pan

Noah Beery Jr.
Tim Mitchell

Lee Patrick
Mrs. Howard Cassin

Minerva Urecal
Kate Lindquist

John Qualen
Luther Lindquist

Frank Kreig
Peter Ramsey

Peggy Rea
Mrs. Peter Ramsey

Eddie Little Sky
George C. George

Royal Dano
Carey

Argentina Brunetti
Sarah Benedict

John Doucette
Lucas

Dal McKennon
Lean Cowboy

Frank Cady
Mayor James Sargent

Chubby Johnson
Fat Cowboy

Douglas Fowley
Toothless Cowboy

Kevin Tate
Mike Benedict

Betsy Hale
Little Girl

George Cisar
Drunken Townsman (uncredited)

George J. Lewis
Mr. Frisco (uncredited)