John Semper Jr.
An image from Class Act, one of the productions that also features John Semper Jr..
John Semper Jr.

John Semper Jr.

August 14, 1952
—
Spider-Man
Details Watch

Spider-Man

1994

The Jetsons
Details Watch

The Jetsons

1962

The 13 Ghosts of Scooby-Doo
Details Watch

The 13 Ghosts of Scooby-Doo

1985

Static Shock
Details Watch

Static Shock

2000

Green Lantern: Beware My Power
Details Watch

Green Lantern: Beware My Power

2022

Class Act
Details Watch

Class Act

1992

Alvin and the Chipmunks
Details Watch

Alvin and the Chipmunks

1983

The Incredible Hulk
Details Watch

The Incredible Hulk

1996