- Rin Tin Tin Jr.
- King
- Edgar Edwards
- Sgt. Ken Strange
- Sheila Bromley
- Elsie Barlow
- James McGrath
- Puffy Puffett
- Jameson Thomas
- Robert Druid - alias Herbert Barlow
- Walter Byron
- Al Norton
- Arthur Kerr
- Bart Norton (Foreman)
- Dorothy Bradshaw
- Martha Barlow
- Reginald Hincks
- Freddy (the Old-Timer)
- Vivian Combe
- Maggie
