Mr. Dithers invites the Bumsteads on a South American cruise. Somehow Dagwood winds up as the female drummer in the ship's band, while Penny Singleton gets to show off her Broadway background in some lively musical numbers.
Penny Singleton
as Blondie Bumstead
Arthur Lake
as Dagwood " Dag " Bumstead
Larry Simms
as Alexander Bumstead
Daisy
as Daisy
Ruth Terry
as Singer
Danny Mummert
as Alvin Fuddle
Jonathan Hale
as J.C. Dithers
Janet Burston
as Little Girl Singer and Piano Player
Kirby Grant
as Hal Trent
Tito Guízar
as Manuel Rodrigueu
Irving Bacon
as Mailman (uncredited)
Eddie Acuff
as Cab Driver (uncredited)
