Depicting an epic 26th-century conflict between humanity and an alien threat known as the Covenant, the series weaves deeply drawn personal stories with action, adventure and a richly imagined vision of the future.

Pablo Schreiberas Master Chief, Spartan-117 / John-117
Natascha McElhoneas Dr. Catherine Halsey
Joseph Morganas James Ackerson
Shabana Azmias Margaret Parangosky
Christina Benningtonas Cortana
Natasha Culzacas Riz-028
Olive Grayas Dr. Miranda Keyes
Yerin Haas Kwan Ha
Bentley Kaluas Vannak-134
Kate Kennedyas Kai-125
Ahmadu Garba
Silka Luisa