Jonathan Morgan Heit

Family Guy

as (voice), as Little Boy (voice), as Boy (voice), as Amusement Park Ride Operator (voice), as Kid #1 (voice), as Billy (voice), as Grandchild #2, Great Grandchild (voice)

1999

American Dad!

as Hans Junior (voice)

2005

Monk

as Billy Cooper

2002

How I Met Your Mother

as Boy #1

2005

ER

as Jessie

1994

Jake and the Never Land Pirates

as Cubby (voice)

2011

Cosmos

as John Herschel (voice)

2014