The adventures of Calamity the cow, who is bought by a farmer for his children, stolen by rustlers, and eventually wins a prize for her part in ridding the area of a gang of cattle thieves.
| Actor | Role |
|---|---|
 John Moulder-BrownRob Grant | Rob Grant |
 Elizabeth DearJo Grant | Jo Grant |
| SStephen BrownTim Lucas | Tim Lucas |
 Phil CollinsMike Lucas | Mike Lucas |
| JJosephine GillickBeth Lucas | Beth Lucas |
| DDesmond CarringtonUncle Jim Lucas | Uncle Jim Lucas |
 Peter HallidaySgt. Watkins | Sgt. Watkins |
 Grant TaylorMr Grant | Mr Grant |
| HHonor ShepherdMrs Grant | Mrs Grant |
 Alastair HunterKincaid | Kincaid |
 Ken GoodletLefty | Lefty |
| MMichael WarrenRinger | Ringer |