- Country: USA
- Genres: Comedy
- Release: 1948-12-23
- Director: Edward Bernds
- Writers: Jack Henley , Chic Young
- Language: English
- Stars: Penny Singleton , Arthur Lake , Larry Simms , Marjorie Ann Mutchie , Daisy , Jerome Cowan , Thurston Hall , Jack Rice , Danny Mummert , Frank Orth
- Runtime: 68 min
- Awards: N/A
- AKA: ブロンディ泥棒退治 (Japan) , Blondie's Secret (United States of America) , Blondie's Secret
- Plot: The Bumstead family is all set to take a long-awaited vacation, but office trickery, counterfeiters, a petty thief, the loss of their suitcases and other complications, including Daisy getting impounded, keep delaying them. But Blondie takes charge and they wind up with an extra week of vacation time.
- IMDB:tt0040174
Blondie’s Secret Cast · · · ALL
Edward Bernds
Director
Penny Singleton
Blondie Bumstead
Arthur Lake
Dagwood " Dag " Bumstead
Larry Simms
Alexander Bumstead
Marjorie Ann Mutchie
Cookie Bumstead
Jerome Cowan
George M. Radcliffe
Thurston Hall
George Whiteside
Jack Rice
Ollie
Frank Orth
Mr. Philpotts
Alyn Lockwood
Mary
Eddie Acuff
Mailman
Daisy
Daisy