Cast and credits of The World of Tomorrow

Jason Robards
Himself - Narrator

King George VI
Himself (uncredited) (archiveFootage)

Fiorello LaGuardia
Himself (uncredited) (archiveFootage)

Ruth Lee
Mom MIddleton (uncredited) (archiveFootage)

Marjorie Lord
Babs Middleton (uncredited) (archiveFootage)

Jimmy Lydon
Bud Middleton (uncredited) (archiveFootage)

Ray Middleton
Himself - Vocalist (uncredited) (archiveFootage)

Queen Elizabeth the Queen Mother
Herself (uncredited) (archiveFootage)

Franklin D. Roosevelt
Himself (uncredited) (archiveFootage)

Harry Shannon
Pop Middleton (uncredited) (archiveFootage)