Need assistance developing for Google Cast? Contact Us. Please be sure to fill out all the fields below before submitting your issue. We'll follow up with you if we require more information or if we have additional information to share. * Required field First name Last name Email address * Please enter a valid email address. Email address used to register developer account * Please enter your Developer ID number App ID number * Please enter your App ID number Device ID number (Chromecast serial number) * Please enter your Device ID number Please describe your issue here: * Submit an attachment Submit Submitted Edit request Download submission https://myaccount.google.com/privacypolicy?hl=$0 Some account and system information will be sent to Google, and support calls and chats may be recorded. We will use this information to improve support quality and training, to help address technical issues, and to improve our products and services, subject to our Privacy Policy and Terms of Service . Translation services may be used in chats and email. Additional info OK Your email has been sent Thank you for contacting us. We will be back in touch with you shortly. Edit request Download submission