- Ben F. Wilson
- Jim Thorpe
- Neva Gerber
- Aileen Sturgess
- Lafe McKee
- Prof. Daniel Sturgess
- Al Ernest Garcia
- Weston Dore
- Ruth Royce
- Carrie Dore
- William H. Turner
- Jarvis Humphries
- Catherine Kent
- Mrs. Thorpe
- Nelson McDowell
- Dr. Clack
- Chief Eagle Wing
- Sabo - a Mysterious Hindu
- Sam Allen
- John Morgan
- Jess Cavin
- Bernard Christman
- Jack Henderson
- Justice of the Peace
- John Battaglia
- Undetermined Secondary Role
- Mary Brooklyn
- Undetermined Secondary Role
- Mary Crane
- Undetermined Secondary Role
- Francis Ford
- Government Secret Service Man (Chapter 15)
