A family's life is thrown into comical chaos after mom accidentally drinks her inventor husband's latest concoction, an invisibility potion.
Dee Wallace
as Laura Griffin
Barry Livingston
as Karl Griffin
Trenton Knight
as Josh Griffin
Russ Tamblyn
as Dr. Woorter
John Ashley
as Herbert Pringle
Stella Stevens
as Mrs. Pringle
Christopher Stone
as Jerry Cutter
Phillip Van Dyke
as Skeeter
Brinke Stevens
as Dr. Price
Giuseppe Andrews
as Johnny Thomas
Vanessa Koman
as Orphan Girl
Fred Olen Ray
as Cabbie
