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Henry Simmons

Actor portrait · TMDB ↗

Character viewing guide

Alphonso 'Mack' MackenzieCharacter guide · Henry Simmons

A team member with practical questions.

Find a starting point

Behind the name

Meet Alphonso 'Mack' Mackenzie

Henry Simmons plays Mack within the long-running investigations of Agents of S.H.I.E.L.D.

Official source · Disney+ ↗

Following Alphonso 'Mack' Mackenzie

Watch how Mack weighs a proposed solution against the people it affects. The team’s disagreements can reveal priorities that the immediate mission leaves unstated.

Your first watch

Where to start

Begin with Marvel's Agents of S.H.I.E.L.D.. The next linked guide is Marvel's Agents of S.H.I.E.L.D.: Slingshot. Use each title’s guide for season and crossover context; the catalog below preserves smaller appearances as well.

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Catalog appearances

7 entries · release order

These are the existing catalog records, including supporting roles, cameos and other formats. This list is not a required watch order or proof that every appearance shares one continuity. Future entries may change.

Sources & context

About this profile

Profile information checked 2026-11-08. Viewing suggestions are editorial guidance. Appearance records and identity labels come from the existing catalog.

Disney+ · Official series premise and cast ↗

TMDB · Henry Simmons portrait ↗

Background artwork: Marvel's Agents of S.H.I.E.L.D.. The portrait shows the performer.

How this catalog is put together ↗