I'm only going to do the entire Allegiances for ThunderClan, because I'm lazy. But, I will do the leader, deputy, and medicine cat for the other three Clans.
Allegiances
ThunderClan
Leader: Bramblestar: dark brown tabby tom with amber eyes
Deputy: Cloudtail: long-haired white tom with blue eyes
Medicine Cat: Jayfeather: gray tabby tom with blind blue eyes
Warriors:
Graystripe: long-haired gray tom with big yellow eyes
Millie: striped gray tabby she-cat with green eyes
Dustpelt: dark brown tabby tom with amber eyes
Sandstorm: pale ginger she-cat with green eyes
Brackenfur: golden brown tabby tom with amber eyes
Sorreltail: tortoiseshell and white she-cat with amber eyes
Brightheart: white she-cat with ginger patches and one amber eye
Thornclaw: golden brown tabby tom with amber eyes
Squirrelflight: dark ginger she-cat with green eyes
Leafpool: light brown tabby she-cat with amber eyes
Spiderleg: long-limbed black tom with brown underbelly and amber eyes
Birchfall: light brown tabby tom with blue eyes
Whitewing: white she-cat with green eyes
Berrynose: cream-colored tom with green eyes
Hazeltail: small gray and white she-cat with amber eyes
Mousewhisker: gray and white tom with green eyes
Cinderheart: gray tabby she-cat with blue eyes
Apprentice: Ivypaw
Lionblaze: golden tabby tom with amber eyes
Apprentice: Dovepaw
Foxleap: reddish tabby tom with amber eyes
Icecloud: white she-cat with blue eyes
Toadstep: black and white tom with amber eyes
Rosepetal: dark cream she-cat with green eyes
Blossomfall: tortoiseshell and white she-cat with blue eyes
Bumblestripe: very pale gray tom with black stripes and amber eyes
Apprenctices
Dovepaw: pale gray she-cat with green eyes
Ivypaw: silver and white tabby she-cat with dark blue eyes
Queens
Ferncloud: pale gray (with darker flecks) she-cat with green eyes
Daisy: cream long-furred she-cat with amber eyes; from the horseplace
Poppyfrost: tortoiseshell she-cat with blue eyes (mother of Cherrykit & Molekit)
Kits
Cherrykit: ginger she-cat with green eyes
Molekit: brown and cream tom with amber eyes
Elders:
Purdy: plump tabby former loner with a gray muzzle and amber eyes
Briarlight: dark brown she-cat with green eyes, retired early due to broken spine
ShadowClan
Leader: Blackstar: large white tom with huge jet-black paws and blue eyes
Deputy: Smokefoot: black tom with amber eyes
Medicine Cat: Littlecloud: very small gray tabby tom with amber eyes
Apprentice: Flametail: ginger tom with green eyes
WindClan
Leader: Onestar: brown tabby tom with amber eyes
Deputy: Ashfoot: gray she-cat with blue eyes
Medicine Cat: Kestrelflight: mottled gray tom with amber eyes
RiverClan
Leader: Mistystar: gray she-cat with blue eyes
Deputy: Mintfur: light gray tabby tom with green eyes
Medicine Cat: Mothwing: dappled golden she-cat with amber eyes
Apprentice: Willowshine: gray tabby she-cat with amber eyes
Cats Outside Clans
Smoky: muscular gray and white tom with green eyes
Floss: small gray and white she-cat with blue eyes
Night: black she-cat with glowing green eyes
Stream: silver tabby she-cat with blue eyes, expecting kits
