Season 3:

"Heartthrob"
"That Vision Thing"
"That Old Gang of Mine"
"Carpe Noctem"
"Fredless"
"Billy"
"Offspring"
"Quickening"
"Lullaby"
"Dad"
"Birthday"
"Provider"
"Waiting in the Wings"
"Couplet"
"Loyalty"
"Sleep Tight"
"Forgiving"
"Double of Nothing"
"The Price"
"A New World"
"Benediction"
"Tomorrow"

Principal Cast
In order of character appearances
David Boreanaz as Angel (22/22)
Charisma Carpenter as Cordelia Chase (19/22) (Does not appear in "Loyalty", "Sleep Tight" and "Forgiving")
Alexis Denisof as Wesley Wyndam-Pryce (22/22)
J. August Richards as Charles Gunn (22/22)
Amy Acker as Winifred 'Fred' Burkle (22/22)
Recurring Cast
Andy Hallett as Lorne (18/22) (Does not appear in "Carpe Noctem", "Billy" "Quickening" and "Loyalty")
Stephanie Romanov as Lilah morgan (14/22) (Does not appear in "That Old Gang of Mine", "Fredless", "Offspring", "Birthday", "Provider", "Waiting in the Wings", "Couplet" and "Double of Nothing")
Keith Szarabajka as Daniel Holtz (11/22) (Appears in "Heartthrob", "Offspring", "Quickening", "Lullaby", "Dad", "Provider", "Loyalty", "Sleep Tight", "A New World", "Benediction" and "Tomorrow")
Daniel Dae Kim as Gavin Park (8/22) (Appears in "That Vision Thing", "Carpe Noctem", "Billy", "Quickening", "Lullaby", "Dad", "The Price" and "Tomorrow")
Connor, Jake and Trenton Tupen as Baby Connor (Appears in "Lullaby", "Dad", "Birthday", "Provider", "Waiting in the Wings", "Couplet", "Loyalty" and "Sleep Tight")
Mark Lutz as The Groosalugg (7/22) (Appears in "Waiting in the Wings", "Couplet", "Double of Nothing", "The Price" "A New World", "Benediction" and "Tomorrow")
Jack Conley as Sahjhan (6/22) (Appears in "Offspring", "Quickening", "Lullaby", "Loyalty", "Sleep Tight" and "Forgiving")
laurier, laurel Holloman as Justine Cooper (6/22) (Appears in "Dad", "Provider", "Loyalty", "Sleep Tight", "Forgiving", "Benediction" and "Tomorrow")
Julie Benz as Darla (5/22) (Appears in "Heartthrob", "That Vision Thing", "Offspring", "Quickening" and "Lullaby")
John Rubinstein as Linwood Murrow (5/22) (Appears in "Quickening", "Lullaby", "Dad", "Forgiving" and "Tomorrow")
Vincent Kartheiser as Teenage Connor (4/22) (Appears from "The Price" until "Tomorrow")
David Denman as Skip (3/22) (Appears in "That Vision Thing", "Birthday" and "Tomorrow")
Matthew James as Merl (2/22) (Appears in "Heartthrob" and "That Old Gang of Mine")