Liv Rooney / Maddie Rooney (80 episodes, 2013-2017)
Joey Rooney (80 episodes, 2013-2017)
Parker Rooney (80 episodes, 2013-2017)
Karen Rooney (80 episodes, 2013-2017)
Liv 2 / Linda (80 episodes, 2013-2017)
Maddie 2 / Heather / Linda & Heather / Radio Dispatcher (80 episodes, 2013-2017)
Pete Rooney (65 episodes, 2013-2016)
Willow Cruz (36 episodes, 2013-2017)
Diggie / Diggie Smalls (26 episodes, 2013-2017)
Artie Smalls (20 episodes, 2013-2017)
Johnny Nimbus (16 episodes, 2013-2017)
Ruby (15 episodes, 2016-2017)
Holden Dippledorf (13 episodes, 2015-2017)
Andie Bustamante (12 episodes, 2015-2017)
Josh Willcox (12 episodes, 2015-2017)
Evan (10 episodes, 2013-2017)
Reggie (10 episodes, 2014-2015)
Gemma (10 episodes, 2015-2017)
Dump Truck (9 episodes, 2015-2017)
Val Wishart (8 episodes, 2016-2017)
Stains (6 episodes, 2013-2016)
High School Student (6 episodes, 2014-2016)
Aunt Dena (6 episodes, 2016-2017)
Becki Bicklehoff / Becki Bickelhoff / Becky Bickelhoff (5 episodes, 2014-2017)
Finch (5 episodes, 2016-2017)
Jen / Jennifer / Lovie Dovie Lizard (4 episodes, 2014-2016)
Alex (4 episodes, 2014-2016)
Aubrey (4 episodes, 2015-2016)
Todd Stetson (4 episodes, 2015-2016)
Lacey (4 episodes, 2015)
Priya (3 episodes, 2016-2017)
Mrs. Kneebauer (3 episodes, 2014-2015)
Skeeter Parham (3 episodes, 2016-2017)
Maddie 3 (3 episodes, 2016)
Skippy Ramirez (2 episodes, 2013)
Ocean (2 episodes, 2013)
South Salamanca (2 episodes, 2014-2015)
Delivery Man / Janitor (2 episodes, 2014-2015)
Whitney (2 episodes, 2014)
Vince (2 episodes, 2015-2017)
Dancer (2 episodes, 2015-2017)
Mrs. Snodgrass (2 episodes, 2015-2016)
Santa's Visitor / Trick or Treater (2 episodes, 2015-2016)
Samantha (2 episodes, 2015)
Student (1 episode, 2015)
Jackie / Lil' Greasey (2 episodes, 2016-2017)
Henry / Zaydock (1 episode, 2016)
Goofy Gary Patron / Wedding Guest, Student (2 episodes, 2016)
Ms. Karsch (2 episodes, 2017)
Eddy (2 episodes, 2017)
Dancer (1 episode, 2017)
Miller White (1 episode, 2013)
Kylie Kramer (1 episode, 2013)
Jenny Keene (1 episode, 2013)
Principal Fickman (1 episode, 2013)
Officer Mike Clarkson (1 episode, 2013)
Chambers (1 episode, 2013)
Baxter (1 episode, 2013)
Skylar (1 episode, 2013)
Golden Chord (1 episode, 2013)
Janet (1 episode, 2013)
Contortionist (1 episode, 2013)
Eleanor (1 episode, 2013)
Kiosk Lady (1 episode, 2013)
Sheriff (1 episode, 2013)
Donna Joe (1 episode, 2013)
Spike Bickle (1 episode, 2013)
Cassie (1 episode, 2013)
Mrs. Wakefield (1 episode, 2014)
Fangs (1 episode, 2014)
Vic Defazerelli (1 episode, 2014)
Tammy (1 episode, 2014)
Kathy Kan (1 episode, 2014)
Q-Pop (1 episode, 2014)
Amy Becker (1 episode, 2014)
Mailman (1 episode, 2014)
Young Joey (1 episode, 2014)
Director (1 episode, 2014)
Bernard (1 episode, 2014)
Bree DuMont (1 episode, 2014)
Sensei Rae Dawn (1 episode, 2014)
Emily Watson (1 episode, 2014)
Pretzel King (1 episode, 2014)
Young Maddie (1 episode, 2014)
Young Liv (1 episode, 2014)
Amy Smalls (1 episode, 2014)
Basketball Girl (1 episode, 2014)
Splat (1 episode, 2014)
Self (1 episode, 2014)
High School Student (1 episode, 2014)
Reporter (1 episode, 2014)
Alex (1 episode, 2014)
Raina (1 episode, 2015)
Self (1 episode, 2015)
Mr. Clodfelter (1 episode, 2015)
Krahgg (1 episode, 2015)
Grandma Janice / Great-Aunt Hillary (1 episode, 2015)
Shayna (1 episode, 2015)
Photographer (1 episode, 2015)
Cyd Ripley (1 episode, 2015)
Uncle Martucci (1 episode, 2015)
Jacob Michaels (1 episode, 2015)
Sylvia (1 episode, 2015)
Kennedy (1 episode, 2015)
Shelby Marcus (1 episode, 2015)
Paula Porter (1 episode, 2015)
Tough Guy (1 episode, 2015)
Flailing Women (1 episode, 2015)
Cindy Dippledorf (1 episode, 2015)
Voltage Crew (1 episode, 2015)
Lula (1 episode, 2015)
Cathy (1 episode, 2015)
Anina (1 episode, 2015)
Dancer (1 episode, 2015)
Minion (1 episode, 2015)
Referee (1 episode, 2015)
Detention Student (1 episode, 2015)
Bass Player (1 episode, 2015)
Mr. Berra (1 episode, 2016)
Mr. Bustamante (1 episode, 2016)
Frankie Chang (1 episode, 2016)
Mr. Bell (1 episode, 2016)
Choir Member #1 (1 episode, 2016)
Self (1 episode, 2016)
Goofy Garry (1 episode, 2016)
Choir Member #3 (1 episode, 2016)
Zach (1 episode, 2016)
Mr. Prusko (1 episode, 2016)
Radio announcer (1 episode, 2016)
Choir Member #4 (1 episode, 2016)
Choir Member #2 (1 episode, 2016)
Referee (1 episode, 2016)
Dancer (1 episode, 2016)
Gustavo (1 episode, 2016)
Marlowe (1 episode, 2017)
Tracey Okahatchee (1 episode, 2017)
Jim Breuer (1 episode, 2017)
Mickey (1 episode, 2017)
Daria (1 episode, 2017)
Patron (1 episode, 2017)
Schnoop (1 episode, 2017)
Terry the Clown (uncredited) (3 episodes, 2013-2016)
Terrell (uncredited) (2 episodes, 2014-2015)
Stunt Coordinator (uncredited) (1 episode, 2014)
Liv's Stunt Double (uncredited) (1 episode, 2014)
Basketball Player / Science Fair Attendee (uncredited) (1 episode, 2015)
Daktron (uncredited) (1 episode, 2016)
Classmate (uncredited) (1 episode, 2016)