Writing Credits (in alphabetical order)
| Eric Knight | ... | (character) |
Cast (in credits order)
| Jan Clayton | ... | Ellen Miller | |
| Tommy Rettig | ... | Jeff Miller | |
| George Cleveland | ... | George 'Gramps' Miller | |
| Joey D. Vieira | ... | Porky Brockway (as Donald Keeler) | |
| Richard Garland | ... | Constable Clay Horton | |
| Arthur Space | ... | Dr. Frank Weaver | |
| John Cliff | ... | Hunter | |
Additional Crew
| Ivan A. Peterson | ... | veterinarian |
| Ralph Helfer | ... | animal supervisor: Nature Haven's Wild Animal Rental Co. (uncredited) |
| Gene Holter | ... | animal trainer: duck (uncredited) |
