Major characters
- Victor Vance
- Lance Vance
- Umberto Robina
- Ricardo Diaz
- Diego and Armando Mendez
- Marty Jay Williams
- Sgt Jerry Martinez
- Phil Cassidy
- Louise Cassidy-Williams
- Bryan Forbes
- Reni Wassulmaier
Minor characters
- Pete Vance
- Aunt Enid
- Mary-Jo Cassidy
- Alberto Robina
- Janet Vance
- Spitz
- Frankie
- Gonzales
- Phil Collins
- Barry Mickelthwaite
- Giorgio Forelli
- Colonel Juan García Cortez
- Mary-Beth Williams