Andrew Holmes (1 episode)

Jimmy

Dustin

Mojo (4 episodes)

Fanglorious Bandmate (1 episode)

Alfie Rentman (2 episodes)

Brian Slater

Ronald

Kevin

Braden (1 episode)

Nathan (segment "Middleschool Date")

Alex Willingham (2 episodes)

Ralph Gullivan

J.J. Powell (20 episodes)

Bones White

Moon Blake

John

Toby Thompson

Daniel

Young James T. Kirk

Dillon

Peter

Buddha (voice)

Ryan Baxter

Macon (1 episode)

Rerun (voice)

Young Pi (voice)

Self (1 episode)

Conor James

Andy Stanfield

Roo (voice)

Michael Lutz

Tommy Smith

Self (1 episode)

Sam Feeney (3 episodes)

Lonely Boy (voice)

Young Jeremiah

Roo (voice)

Henry Turner (1 episode)

Rerun Van Pelt (voice)

"The Flash" / Tony

Cory Sinkler (1 episode)

Matty Butler (1 episode)

Willy (1 episode)