Wan SCAIL: Swap Multiple Characters in ComfyUI | Installation Guide

Info Page: https://github.com/zai-org/SCAIL

1️⃣Step 1: Install ComfyUI

🔗 Tutorial: https://youtu.be/txgJ6d0WEDM
👉 Follow the installation steps for your operating system. Once installed, launch ComfyUI.
*or you can install portable version if you want to unlock more customizability: https://youtu.be/E_D7y0YjE88

2️⃣ Step 2: Get Workflow

You can run the workflow online with ZERO complicated setup👉 https://bit.ly/3ZhzAxJ
OR
📥 Get the Workflow file attached below
📁 Drag and drop into ComfyUI to load

3️⃣ Step 3: Download Required Models

WAN21-SCAIL

🔗bf16: https://huggingface.co/Kijai/WanVideo_comfy/blob/main/SCAIL/Wan21-14B-SCAIL-preview_comfy_bf16.safetensors
🔗fp8: https://huggingface.co/Kijai/WanVideo_comfy_fp8_scaled/blob/main/SCAIL/Wan21-14B-SCAIL-preview_fp8_e4m3fn_scaled_KJ.safetensors
📁 Place in: ComfyUI\models\diffusion_models

Distill Lora

🔗https://huggingface.co/Kijai/WanVideo_comfy/blob/main/Lightx2v/lightx2v_I2V_14B_480p_cfg_step_distill_rank64_bf16.safetensors
📁 Place in: ComfyUI\models\loras

Clip Vision

🔗 https://huggingface.co/Comfy-Org/Wan_2.1_ComfyUI_repackaged/blob/main/split_files/clip_vision/clip_vision_h.safetensors
📁 Place in: ComfyUI\models\clip_vision

VAE

🔗 https://huggingface.co/Wan-AI/Wan2.1-T2V-14B/blob/main/Wan2.1_VAE.pth
📁 Place in: ComfyUI\models\vae

Text Encoder

🔗https://huggingface.co/Kijai/WanVideo_comfy/blob/main/umt5-xxl-enc-bf16.safetensors
📁 Place in: ComfyUI\models\text_encoders

Detection models

• Yolov:🔗https://huggingface.co/Wan-AI/Wan2.2-Animate-14B/blob/main/process_checkpoint/det/yolov10m.onnx

• easy_ViTPose:
  🔗https://huggingface.co/JunkyByte/easy_ViTPose/blob/main/onnx/wholebody/vitpose-l-wholebody.onnx
  🔗https://huggingface.co/Kijai/vitpose_comfy/blob/main/onnx/vitpose_h_wholebody_model.onnx
  🔗https://huggingface.co/Kijai/vitpose_comfy/blob/main/onnx/vitpose_h_wholebody_data.bin
  📁 Place in: ComfyUI\models\detection

4️⃣ Final Step

1. Load the WAN 21 SCAIL workflow

2. Install missing nodes

3. Restart ComfyUI

4. Start swapping characters 🎬