Self (archive footage)
Clem Finch (archive footage)
Frank
Monsignor O'Brien
Henry Coogan
Moe Smith
Mel Adler
Santa Claus
Bernard Crawford
Morgens
Irv Manders
Harry Wickes
Self
Charley Dunbar
Mr. Behrman
Narrator / Blarney Kilakilarney (voice)
Harry Truman
Walter Peary
Charlie Pickett
Robert Stroud
Corpus C. Redfish
Abe
Frank Miller
Pignose Moran
Marcus
Grandpa Martin Vanderhof
Sergeant
Saun Dann
Dr. Blaine / Dr. Bowers
Ognir's Father
Dr. Amos Willoughby
John Stark
Ira Wells
Gramps / Dr. Wunderbar
J.J. Fromberg
Mr. Slaney
Thornton Alman
Mr. Jacobs
Malcolm Michaels
Harry Coombes
Barney
Santa Claus / Cosmo Scam
Technical Adviser (Joe X)
Joey Friedlander
Franklin Delano Roosevelt
Ernie Pandash
The Author
Band Member / Radio Announcer
