

Areeba Imran
Tue Aug 26 2025
3 mins Read
Runway Act Two has made creating realistic animation shorts and character animated shorts with 3D rendering very easy. One of the most fascinating tools for developers who are interested in animating characters without using standard motion capture or 3D modelling. Built on Runway's intricate Gen-4 video layout, Act II allows anyone to bring any character to life with just an acting video and a character reference.
When animating a character image, Act-Two's gesture control feature allows you to regulate hand and body movements throughout the performance video. Act-Two instantly integrates surrounding motion into input photos, resulting in more authentic-looking shots in the very first video produced. No edits.
Why should we use Runway Act II over traditional animation?
Traditional animation is more time-consuming and requires a lot of expertise. Traditional pipelines include extensive steps with take time, like:
- 3D modelling and rigging.
- Hiring motion capture studios and renting outfits.
- Skilled animators tidy up keyframes.
But with Act II, you can flip the game in your favour. Here is where it takes the cake:
- There is no need for any equipment other than a camera and your imagination.
- Quicker turnaround: create in minutes, not weeks.
- Accessible: even independent creators can deliver Hollywood-calibre character performances.
- Versatile: works with cartoons, stylised figures, photorealistic humans, and even supernatural characters like robots and animals.
How to Create Animation Using Runway Act Two
Let’s break down each and every step involved in creating a video using Runway Act Two.
1. Select Your Reference Video:
Runway allows you to use your recordings to create life-like animation videos. This could serve as a performance video, which can help create character animation around it using the prompts to enhance it. This is the file the Runway model with use as a motion source.
2. Add A Character Reference:
This is your character reference. This image will determine what your character would look like, and you can modify it to some extent using your prompt. You can upload:
- A Still image
- A Video clip of a reference character. But if you use a still image, you will get greater control over gestures. This can give you more control, and the surrounding image stays unaffected.
3. Personalise the Settings:
Add prompts and try to personalise the kind of animation you are looking for. You can add instructions to control the gestures and the kind of facial expressions you are looking for. Use simple, easy-to-understand prompts that help you create precisely what you are looking for.
4. Hit Generate:
Now that your prompt, reference motion, and character are ready, hit generate and watch the vision come to life. Once you hit generate, Runway Act Two transforms your character and image reference into a finished video. You can select multiple aspect ratios from the library and adapt your video accordingly.
5. Modify and Export:
Want to make more changes? Keep adding prompts and making changes to the created character animation until you get to the product that you are satisfied with. You can change the audio, ratio, slight gestures, and anything you want to do differently. Once that is ready, export your video and use it wherever you want.
The Final Word:
There you have it! A guide on how to use Runway Act II. Runway Act II is more than just another artificial intelligence tool; it is a game-changer for character animation. By integrating performance capture, motion transfer, and AI generation, it reduces the resource-intensive technical process accessible to anybody with a camera and an idea.
Whether you're an indie filmmaker, game designer, marketer, or simply a person who wants the opportunity to see their sketches come to life, Act II offers up a new creative horizon.
Grab your camera, put on a show and allow Runway Act II to breathe life into your characters.

Areeba Imran
Areeba Imran specializes in content marketing for GenAI and SaaS companies, helping them grow with strong writing and strategy.