
1) Actor Carmichael and namesake 2) Actor Holm et al 3) Actor holm, and others 4) Actor McKellen and others 5) Actor Ziering et al 6) Actors holm and mckellen 7) Actors holm and richardson 8) Actors mckellen and holm 9) Actors McShane and McKellen 10) Anderson and fleming 11) Author fleming and others
Found on
https://www.crosswordclues.com/clue/ians

I am Not Sure
Found on
http://www.noslang.com/dictionary/i/
No exact match found.