Who plays Master Chief in Halo 4: Forward Unto Dawn?

Master Chief is played by Alex Puccinelli.

How is Master Chief connected to other characters?

Master Chief has 4 mapped relationships in Halo 4: Forward Unto Dawn. Explore the interactive relationship map for details.

Master Chief — Protagonist & Spartan Bond — Thomas Lasky (Thom Green)
The narrative centers on Lasky stepping up to support the Chief, merging their fates against the Covenant threat.
Master Chief — Combat Supporters — Vickers (Iain Belcher)
Vickers provides ground support and tactical awareness, complementing the Chief's superior combat capabilities.
Master Chief — Command & Execution — Mehaffey (Ayelet Zurer)
Mehaffey coordinates defensive efforts while the Chief executes high-risk combat operations to protect the facility.
Master Chief — Operational Awareness — Man (Rob 'Sluggo' Boyce)
Chief maintains tactical focus, while Man represents the standard military personnel adapting to Spartan-led defense.