Tonja Kahlens is an actress, known for Speechless (2016), Casual (2015) and The Big Bang Theory (2007).
Bones - Season 4
NCIS Los Angeles - Season 7
The Bridge - Season 2 (US)
S.W.A.T. - Season 1
Shameless - Season 5
Entourage - Season 3
Dr. Quinn, Medicine Woman - Season 6
Party of Five - Season 2
Greys Anatomy - Season 10
Chasing Life - Season 2
Millennium - Season 3 (1996)
Speechless - Season 2
Shameless - Season 9
Party of Five - Season 6
Harrys Law - Season 2
Greys Anatomy - Season 18
Parks and Recreation - Season 1
NCIS Los Angeles - Season 6
Greys Anatomy - Season 17
NCIS - Season 18
Parks and Recreation - Season 7
Shameless - Season 3
NCIS: Los Angeles - Season 14
Casual - Season 2
Passions - Season 2
NCIS - Season 8