Katie Holmes Day is the 8th and final episode of the 3rd season of A.P. Bio.
Main Cast[]
- Glenn Howerton as Jack Griffin
- Lyric Lewis as Stef Duncan
- Mary Sohn as Mary Wagner
- Jean Villepique as Michelle Jones
- Tom Bennett as Miles Leonard
- Paula Pell as Helen Henry Demarcus
- Patton Oswalt as Ralph Durbin
Recurring Cast[]
- Aparna Brielle as Sarika
- Nick Peine as Marcus
- Allisyn Snyder as Heather
- Eddie Leavy as Anthony
- Charlie McCrackin as Coach Novak
- Jacob Houston as Victor
- Spence Moore II as Dan
- Sari Arambulo as Grace
- Marisa Baram as Marissa
- David Neher as Dave
- Brendan Jennings as Dale
- Elizabeth Alderfer as Lynette
- Miguel Chavez as Eduardo
- Jacob Timothy Manown as Caleb