 | Curly Howard als Curly |
 | Larry Fine als Larry |
 | Moe Howard als Moe |
 | Bud Jamison als Acme Service Station Owner (uncredited) |
 | Samuel Adams als Professor Feinstein (uncredited) |
 | Beatrice Blinn als Brainy Astronomy Student (uncredited) |
 | Al Thompson als Professor Frankfurter (uncredited) |
| Elwood Ullman | Writer |
| Charley Chase | Director |
| Art Seid | Editor |
| Al Giebler | Writer |
| Hugh McCollum | Associate Producer |
| Charley Chase | Associate Producer |
| Lucien Ballard | Director of Photography |
