If I were in charge of casting a movie based on Children, Odin would be played by Sir Ian McKellen just because Sir McKellen did an incredible job playing Gandalf and Tolkien barely bothered to change anything when he decided to simply rename Odin to something else for his little Lord of the Rings books.
Who is Odin?
Odin is the most complex of all the Gods and Goddesses in the Norse pantheon. Not for nothing does he have more than a hundred kennings (by-names), among which you will find ‘The Mad One’, ‘The Furious One’, ‘The Inspired One’, ‘The Desired One’, ‘The Terrible One’, and ‘The Old Bastard’. He is a poet, a healer, a magician, a warrior. When calling upon Odin it is advised to use the name referring to the Odin you would prefer to experience. Prefer, because if he feels otherwise you might be in for a surprise of your life. Possibly your last.
The Marvel movies put the All-Father in the position of the “chief God” to make it easier for people without experience in polytheistic religions – the Father, the Son, and the holy… uh, Loki. The truth is more complicated. In the Norse times, the God considered to be the “leader” differed depending on the region. In Iceland, for example, the favoured Gods were Thor and Freyr, with Odin rarely present in the Sagas (although by no means unknown). Since each of the Gods was associated with certain personality traits, Iceland focussed on the Gods unrelated to wars. In other parts of the world Odin or Týr were the “chieftains”.