Patrick M. Walsh (and his many aliases) is an actor, writer and stuntman.
Even if the situation seems clear, documentation is useful.

Documentation:
IMDb


From CLT:
Patrick Walsh (38/131)
Pat Walsh (8/93)
Patrick M. Walsh (8/40)
Patrick M. Walsh Jr. (4/14)
Patrick Walsh Jr. (2/8)
Patrick M. Walsh, Jr. (2/2)
Patrick M. Walsh Jr (1/25)



Patrick Walsh (2 unconfirmed)

2 Broke Girls (Tv Series) another Patrick Walsh IMDb
Dogma (1999) another Patrick Walsh IMDb
Go for Broke (2002)
I Heart Huckabees (2004)
In Memoriam: New York City (2002)
It's Always Sunny in Philadelphia: S04E09 another Patrick Walsh IMDb
Morning is Broken (2015) another Patrick Walsh IMDb
Mothman (2010) another Patrick Walsh IMDb
Outsorced: S01 another Patrick Walsh IMDb
Ted 2 (2015)
Uncertainty (2008)
Virgil Bliss (2001) another Patrick Walsh IMDb
We Own the Night (2007)

Pat Walsh (2 unconfirmed)

Among Us (2004)
Balibo (2009) another Pat Walsh IMDb
Invincible (2006)
Manfast (2003)
My Bloody Valentine (1981) another Pat Walsh IMDb
The Forger (2014) another Pat Walsh IMDb

Patrick M. Walsh (1 unconfirmed)

Banshee: S04E03,04
High Road (2011)
I Heart Huckabees (2004)
Tenacious D in The Pick of Destiny (2006)
We Own the Night (2007)
Wildling (2018)

Patrick M. Walsh Jr. (0 unconfirmed)

Banshee: S04E03,04
Crashing: S01E04

Patrick M. Walsh, Jr. (0 unconfirmed)

Banshee: S04E03,04

Patrick Walsh Jr. (0 unconfirmed)

Drunk Parents (2019)
Girls: S04E04

Patrick M. Walsh Jr (0 unconfirmed)

Black Mass (2015)









Patrick M. Walsh, Jr. (3 confirmed)

Banshee: S04E03 [Patrick M. Walsh Jr.] confirmed  by Gamemaster
Black Mass (2015) [Patrick M. Walsh Jr] confirmed by huskersports
Crashing: S01E04 [Patrick M. Walsh Jr.] confirmed  by T!M

Patrick M. Walsh (2 confirmed)

Tenacious D in The Pick of Destiny (2006) confirmed by T!M
Wildling (2018) confirmed by Mad Rockatansky

Patrick Walsh (2 confirmed)

I Heart Huckabees (2004) confirmed by T!M
Ted 2 (2015) confirmed by huskersports

Patrick Walsh, Jr. (2 confirmed)

Drunk Parents (2019) [Patrick Walsh Jr.] confirmed by huskersports
Girls: S04E04 [Patrick Walsh Jr.] confirmed by T!M

Pat Walsh (2 confirmed)

Invincible (2006) confirmed by AiAustria
We Own the Night (2007) confirmed by Mad Rockatansky

Partick Walsh (1 confirmed)

Uncertainty (2008) confirmed by Mad Rockatansky

'Crashing: The Complete First Season': Patrick M. Walsh Jr.

'Girls: The Complete Fourth Season': Patrick Walsh Jr.

'I Heart Huckabees': Patrick Walsh

'Tenacious D in The Pick of Destiny': Patrick M. Walsh

Wildling (2018) as Patrick M. Walsh Hunter #1

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We Own the Night (2007) as Pat Walsh eli bodyguard

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Uncertainty (2008) as Partick Walsh Dmitri

Invincible (2006)@1:35:25
"Tanker" Opposing Player #2  Pat Walsh

Quoting AiAustria:

Quote:


Do you have any hint, that the remaining P. Walsh credits actually belong to the searched one?

So, we have 4 unconfirmed titles:

As for our man, certainly Go for broke (2002) and Manfast (2003).

As for Among Us (2004), it is another person, a production designer.



I'm not sure about High Road (2011)...

The common name of Patrick (M.) Walsh(, Jr.) is a disaster. With all due respect and many thanks to Mad Rockatansky's efforts up to this point, I can't resist taking another shot at this...

It's interesting to note that 'Uncertainty' was confirmed in this thread as "Partick Walsh" long ago, but today, there's not a single Partick Walsh in the CLT. Does that mean that nobody ever submitted a corrected profile, or was the confirmation wrong? That would make quite a difference to the outcome of this thread...

Something else noteworthy is that his credit in 'Ted 2' only appears in the extended/unrated cut - most localities only offer the theatrical edition, in which case Mr. Walsh, and his credit, doesn't appear. Even worse: my UK locality Blu-ray *does* include the extended/unrated cut, but doesn't have the end credits to match. So it *does* contain the additional footage, has the proper (longer) running time, but the end credits still don't include Mr. Walsh's credit. So from huskersports' confirmation - assuming that confirmation came from the actual disc, not from a streaming service - I gather that the US disc does have Mr. Walsh's credit, but my UK disc does not. I don't know how other regions/localities handle this, but you may want to re-check your copy to see if the cast list in your profile matches the cast list on your actual disc - the credit may be rarer than we think. Update: per huskersports' latest re-check, he's not credited on the US disc of 'Ted 2' either, so the credit has now been scrapped from the list.

So, here's an updated list:

PAT WALSH (3 titles, 3 confirmed, 56 profiles)
- Invincible (confirmed by AiAustria)
- Manfast aka Holding Out (confirmed by huskersports)
- We Own the Night (confirmed by Mad Rockatansky)

PATRICK M. WALSH(,) JR(.) (3 titles, 3 confirmed, 42 profiles)
- Banshee: The Complete Fourth Season (confirmed by Gamemaster)
- Black Mass (confirmed by huskersports)
- Crashing: The Complete First Season (confirmed by T!M)

PATRICK M. WALSH (3 titles, 3 confirmed, 26 profiles)
- High Road (confirmed by huskersports)
- Tenacious D in The Pick of Destiny (confirmed by T!M)
- Wildling (confirmed by Mad Rockatansky)

PATRICK WALSH(,) JR. (2 titles, 2 confirmed, 8 profiles)
- Drunk Parents (confirmed by huskersports)
- Girls: The Complete Fourth Season (confirmed by T!M)

PATRICK WALSH (2 titles, 1 confirmed, 37 profiles)
- Go for Broke
- I Heart Huckabees (confirmed by T!M)

PARTICK WALSH (1 title, 1 confirmed, 0 profiles)
- Uncertainty (confirmed by Mad Rockatansky - although as of yet this only appears in the CLT under Patrick Walsh)

So, we have three name variants which each have three titles in the database. In that case, the larger number of profiles acts as the tiebreaker. As of yet, with 56 profiles, Pat Walsh wins out.

I re-checked Ted 2. He is NOT credited on the disc (but does appear in the movie), as are a bunch of others. So I re-submitted the profile with the uncredited cast checked. Oddly, he IS credited in the streaming version.

Manfast aka Holding Out: Pat Walsh
High Road: Patrick M. Walsh