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Kathryn Newton

Actor portrait · TMDB ↗

Character viewing guide

Cassie LangCharacter guide · Kathryn Newton

Another perspective within the family adventure.

Find a starting point

Behind the name

Meet Cassie Lang

Kathryn Newton portrays Cassie Lang in Quantumania, the Ant-Man film that takes its central family into the Quantum Realm. This performer-specific profile follows Newton’s catalog records while keeping the earlier Cassie portrayals separately accessible.

Official source · Disney Movies ↗

Notice what the next generation asks

Watch what Cassie wants the people around her to recognize and how they respond. The exchanges within a family give the unfamiliar setting personal stakes beyond its visual scale.

Cassie Lang, from the Marvel Cinematic Universe.

Your first watch

Where to start

Quantumania introduces Newton’s portrayal. Use its film guide for the earlier Ant-Man and ensemble context; the existing Cassie profiles remain separate records.

Current catalog

Doomsday context

Kathryn Newton is listed among the announced performers for Avengers: Doomsday.

Read the cast sources ↗

Follow the screen credits

Catalog appearances

2 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.

2023

  1. Ant-Man and the Wasp: Quantumania

    February 15, 2023

2026

  1. Avengers: Doomsday

    December 16, 2026 · Supporting

Keep identities distinct

Other profiles

Other catalog profiles named Cassie Lang.

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 Movies · Film synopsis and context ↗

TMDB · Kathryn Newton portrait ↗

Background artwork: Ant-Man and the Wasp: Quantumania. The portrait shows the performer.

How this catalog is put together ↗