Making a delivery to a mysterious mansion in a rainstorm, radio salesman Hank Martin is knocked out when a suit of armor topples on him. Upon awakening, Hank finds himself in the time of King Arthur. At Camelot Castle, Hank uses a cigarette lighter and his skill with a lasso to save himself from being executed as a demon. Hank so impresses Arthur that the king orders him to joust with one of his knights to save the life of Princess Alisande.
Will Rogers
as Hank Martin
William Farnum
as King Arthur / Inventor
Frank Albertson
as Emile le Poulet / Clarence
Maureen O'Sullivan
as Alisande / Woman in Mansion
Brandon Hurst
as Merlin / Doctor in Mansion
Myrna Loy
as Queen Morgan le Fay / Evil Sister in Mansion
Mitchell Harris
as Sagramor / Butler in Mansion
Stanley Blystone
as King's Knight (uncredited)
Heinie Conklin
as Sneezing Man at Radio Station (uncredited)
Louise Emmons
as Old Hag in Dungeon (uncredited)