Elenco - Blondie Knows Best
Penny Singleton
Blondie Bumstead
Arthur Lake
Dagwood " Dag " Bumstead
Larry Simms
Alexander Bumstead
Marjorie Ann Mutchie
Cookie Bumstead
Daisy
Daisy
Steven Geray
Dr. Schmidt
Jonathan Hale
J.C. Dithers
Shemp Howard
Jim Gray
Jerome Cowan
Charles Peabody
Danny Mummert
Alvin Fuddle
Ludwig Donath
Dr. Titus
Arthur Loft
Mr. Conroy
Bess Flowers
Patron at Hi-Ho Club (uncredited)
Alyn Lockwood
Mary, Switchboard Operator (uncredited)
Jack Rice
Ollie Shaw (uncredited)
Fred F. Sears
Man on Park Bench (uncredited)
Betty Alexander
Hat Check Girl (uncredited)