Barred from racing for breaking stride, a trotting horse finds a new career as a police officer's mount in Boston.
| Actor | Role |
|---|---|
 Keith AndesNarrator | Narrator |
 Charles SeelBen | Ben |
 Sandy SandersCaptain Martin Hanley | Captain Martin Hanley |
| WWilliam HilliardBill Churchill | Bill Churchill |
| SShirley SkatesPam Churchill | Pam Churchill |
| GGeorge SwinebroadJ. P. Rollins | J. P. Rollins |
| SStan BergsteinRace Caller | Race Caller |