Frank R. Strayer Director Penny Singleton Blondie Bumstead Actor Arthur Lake Dagwood Bumstead Actor Rita Hayworth Joan Forrester Actor Larry Simms Baby Dumpling Bumstead Actor Danny Mummert Alvin Fuddle Actor Don Beddoe Marvin Williams Actor John Qualen Mr. Ed Fuddle Actor Fay Helm Mrs. Fuddle Actor Richard Flournoy Screenwriter Robert Sparks Producer Henry Freulich Cinematographer Gene Havlick Film Editing Leigh Harline Original Music Lionel Banks Art Director Jerome Pycha Jr. Art Director Robert Kalloch Costume Design