Professor Grampy (voice) (uncredited)
Jack Mercer
Orphans (voice) (uncredited)
Mae Questel
Grampy (voice) (uncredited)
Everett Clark
Producer
Max Fleischer
Director
Dave Fleischer
Animation Director
Seymour Kneitel
Original Music Composer
Tot Seymour
Bob Rothberg
Sammy Timberg
Animation
William Henning
Lyricist