| Animal Trainer | Rudd Weatherwax |
| Assistant Director | Maurice Vaccarino |
| Cast | Jon Provost (as Timmy Martin), June Lockhart (as Ruth Martin), Hugh Reilly (as Paul Martin), George Chandler (as Uncle Petrie Martin), Todd Ferrell (as Boomer Bates), Arthur Space (as Dr. Frank Weaver), Ron Hagerthy (as 1st Hunter), Harry Harvey Jr. (as 2nd Hunter), Lassie the Dog (as Lassie) |
| Cinematographer | Kenneth Peach |
| Composer: Stock Music | Les Baxter (as (uncredited)) |
| Director | Abby Berlin |
| Distributor | CBS (as (1958) (USA) (TV)) |
| Executive Producer | Sherman A. Harris, Jack Wrather |
| Film Editor | William W. Moore |
| Hair Stylist | Betty Pedretti |
| Make-up Artist | Don Schoenfeld |
| Music Editor | Robert Carlisle |
| Producer | Robert Golden |
| Production Company | Wrather Productions |
| Production Supervisor | Hugh McCollum |
| Property Master | Jack Owens |
| Set Decoration | Ken Swartz |
| Sound | Wallace Nogle |
| Sound Effects Editor | William M. Andrews |
| Story Editor | Rose Mathias |
| Veterinarian | Ivan A. Peterson |
| Writer | Arnold Belgard, Miriam Geiger, James S. Henerson |
| Writer (Character) | Eric Knight |
| Links | https://www.imdb.com/title/tt0998636/?ref_=ttep_ep12 |
Added by marco.leistner1