Simply login to the ODEON website and select ODEON then My Details & Preferences.
For any details that you can't change please contact Guest Services, include the following details:
- Full name on account
- Email Address (currently)
- myLIMITLESS membership number(if you have one)
- First line of your address and postcode
- Date of birth
Along with the details which you wish to update.
Click here and then click the help bubble to contact them.