Does Santa Claus really exist? Just ask Kris Kringle.
Kris Kringle (Edmund Gwenn, Academy Award Best Supporting Actor)
Doris Walker (Maureen O'Hara)
Susan Walker (Natalie Wood)
Fred Gailey (John Payne)
Mr. Granville Sawyer (Porter Hall)
Charles Halloran (William Frawley)
Dist. Atty. Thomas Mara (Jerome Cowan)
Judge Henry X. Harper (Gene Lockhart)
Post Office mail sorter (Jack Albertson)
Mr. R. H. Macy (Harry Antrim)
Child on Santa's lap (Kevin Burke)
Dutch Girl's mother (Mary Field)
Dutch Girl (Marlene Lyden)
The drunken Santa Claus (Percy Helton)
Peter's Mother (Thelma Ritter)
This is an incredibly good trailer on this page for Miracle on 34th Street.
A radio version of Miracle on 34th Street aired on the Lux Radio Theater, 12/22/47, and you can listen to it online from the Internet Archive.
Miracle on 34th Street last updated 1/11/08.