Chicago PD! Had such a great time shooting an upcoming episode of Chicago PD. Enjoyed my two days with the fantastic cast and crew. Catch me as "Allan Sloan" on an upcoming episode! Attachment Posted on April 13, 2016 by John Gray 1 comment (Add your own) 1. wrote: April 13, 2016 @ 4:56 PM Add a New Comment Your Name: Your Email/URL (Optional): Your Comment: Enter the code: Comment Guidelines: No HTML is allowed. Off-topic or inappropriate comments will be edited or deleted. Thanks.