- Christopher Reeve
- Allan Pinkerton
- Madolyn Smith Osborne
- Rose O'Neal Greenhow
- Granville Van Dusen
- Tom
- Carrie Snodgress
- Joan Pinkerton
- Kevin McCarthy
- Senator Henry Wilson
- Christine Lakin
- Little Rose
- Ken Strong
- Thomas John Rayford
- Patty Mack
- Molly
- Haynes Brooke
- Lieutenant Lawrence Nevins
- Mert Hatfield
- Union Jailer
- Joan Riordan
- Esther Macy
- Michael Jolluck
- Will Pinkerton
- Jerry Campbell
- Cowboy
- Larry Peterson
- Union Soldier
- Billy Ray Reynolds
- (as Bily Ray Reynolds)
- Jeff Corey
- James Buchanan
- Tony Devon
- J.T. Evans
- Bill Eudaly
- (uncredited)
- Wilbur Fitzgerald
- New York Times Reporter
- Alejandro de Quesada
- Confederate / Union Soldier (uncredited)
