- Script
- Roy Thomas
- Pencils
- Jim Steranko (illustrations)
- Inks
- John Tartaglione (illustrations)
- Colors
- ?
- Letters
- Sam Rosen; typeset
- Characters
- Cyclops [Scott Summers]
- Reprints
Letters by: Edward Lynn, Reid F. Edwards, Edward Newsom, Capt. F.K. Corey and Ken Miller.