Movies (Acting Roles)
Sorted by Release DateTV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
How to Get Away with Murder
John Thaddeus was
53+ in How to Get Away with Murder
as 'Cabbie'.
First Air Date
Thu, Sep 25 2014
Thu, Sep 25 2014
Rizzoli & Isles
John Thaddeus was
49+ in Rizzoli & Isles
as 'Chuck Fletcher'.
First Air Date
Mon, Jul 12 2010
Mon, Jul 12 2010
Raising the Bar
John Thaddeus was
47+ in Raising the Bar
as 'Joseph Duncan'.
First Air Date
Mon, Sep 01 2008
Mon, Sep 01 2008
Boston Legal
John Thaddeus was
43+ in Boston Legal
as 'Detective John Stephenson'.
First Air Date
Sun, Oct 03 2004
Sun, Oct 03 2004
NCIS
John Thaddeus was
42+ in NCIS
as 'Lane Harrison / Lane Danielson / Billy Collins'.
First Air Date
Tue, Sep 23 2003
Tue, Sep 23 2003
American Dreams
John Thaddeus was
41+ in American Dreams
as 'Mr. La Padura, Haggling Customer'.
First Air Date
Sun, Sep 29 2002
Sun, Sep 29 2002
Without a Trace
John Thaddeus was
41+ in Without a Trace
as 'Ken Hammond'.
First Air Date
Thu, Sep 26 2002
Thu, Sep 26 2002
Diagnosis: Murder
John Thaddeus was
33+ in Diagnosis: Murder
as 'Detective Robert Cardinal'.
First Air Date
Fri, Oct 29 1993
Fri, Oct 29 1993
Walker, Texas Ranger
John Thaddeus was
32+ in Walker, Texas Ranger
as 'Dean Scaggs'.
First Air Date
Wed, Apr 21 1993
Wed, Apr 21 1993