Movrex

Movrex

Discover your next favorite movie with our Netflix-inspired platform. Browse trending films, explore detailed information, and get personalized recommendations.

Quick Links

  • Home
  • Trending
  • Popular
  • Top Rated
  • Upcoming
  • In Theaters
  • TV Shows

Resources

  • TMDb API
  • Next.js
  • Tailwind CSS
  • Framer Motion

© 2026 Movrex. All rights reserved.

Privacy PolicyTerms of ServiceMade with by Codedits
← Back
Casey Siemaszko

Casey Siemaszko

ActingBorn March 17, 1961 (65 years old)

Chicago, Illinois, USA

IMDb

Biography

Casey Siemaszko (born Kazimierz A. Siemaszko) is a Polish-American actor and the brother of actress Nina Siemaszko. The son of a fighter in the Polish Underground who survived the Sachsenhausen concentration camp, Siemaszko narrated the 1998 feature, The Polish-Americans. Siemaszko was a graduate of the Goodman School of Drama at DePaul University in Chicago, which his sister, Nina Siemaszko later also attended. His acting career consists of smaller roles in dozen of popular films, including Back to the Future, Young Guns, Silence of the Heart, Of Mice and Men, Killing Kennedy, Back to the Future Part II and Stand By Me.

Also known as: Kazimierz A. Siemaszko, Kazimierz Andrew Siemaszko, Kazimierz Andrzej Siemaszko, Kazimierz Siemaszko
Popularity: 1
Total credits: 62

Known For

Law & Order: Special Victims Unit
TV
★7.9

Law & Order: Special Victims Unit

as EPA Official

Law & Order
TV
★7.3

Law & Order

as Bart Rainey

Movies (38)

Killing Kennedy

Killing Kennedy

as Jack Ruby

2013

Public Enemies

Public Enemies

as Harry Berman

2009

The Boy Who Cried Bitch: The Adolescent Years

TV Shows (24)

Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

as EPA Official

1 ep.

Law & Order

Law & Order

as Bart Rainey

1 ep.

The Blacklist

Photos

The Blacklist
TV
★7.6

The Blacklist

as Sam Raimo

Person of Interest
TV
★8.1

Person of Interest

as Lester Strickland

Blue Bloods
TV
★7.8

Blue Bloods

as Josh Thorp

Law & Order: Criminal Intent
TV
★7.6

Law & Order: Criminal Intent

as Harvey Gruenwald

Elementary
TV
★7.6

Elementary

as Michael McGee

CSI: NY
TV
★7.3

CSI: NY

as Paul Sabotini

Billions
TV
★7.8

Billions

as Seids

White Collar
TV
★8.2

White Collar

as Bertie Slavkin

Oz
TV
★8.1

Oz

as Detective Tarnowski

Unforgettable
TV
★7.2

Unforgettable

as Lt. Greg Sartain

Law & Order: Special Victims Unit
TV
★7.9

Law & Order: Special Victims Unit

as EPA Official

1999

Law & Order
TV
★7.3

Law & Order

as Bart Rainey

1990

The Blacklist
TV
★7.6

The Blacklist

as Sam Raimo

2013

Person of Interest
TV
★8.1

Person of Interest

as Lester Strickland

2011

Blue Bloods
TV
★7.8

Blue Bloods

as Josh Thorp

2010

Law & Order: Criminal Intent
TV
★7.6

Law & Order: Criminal Intent

as Harvey Gruenwald

2001

Elementary
TV
★7.6

Elementary

as Michael McGee

2012

CSI: NY
TV
★7.3

CSI: NY

as Paul Sabotini

2004

Billions
TV
★7.8

Billions

as Seids

2016

White Collar
TV
★8.2

White Collar

as Bertie Slavkin

2009

Oz
TV
★8.1

Oz

as Detective Tarnowski

1997

Unforgettable
TV
★7.2

Unforgettable

as Lt. Greg Sartain

2011

The Boy Who Cried Bitch: The Adolescent Years

2007

Grand Theft Auto: San Andreas - The Introduction

Grand Theft Auto: San Andreas - The Introduction

as Johnny Sindacco (voice) (uncredited)

2004

No image

The Street Lawyer

as Rafter Mayes

2003

The Crew

The Crew

as Young Bobby Bartellemeo

2000

Limbo

Limbo

as Bobby Gastineau

1999

Chameleon II: Death Match

Chameleon II: Death Match

as Jake Booker

1999

Together and Alone

Together and Alone

as Billy

1998

Rose Hill

Rose Hill

as Fergus Carroll

1997

Bliss

Bliss

as Tanner

1997

Mistrial

Mistrial

as Detective Bobby Zito

1996

The Phantom

The Phantom

as Morgan

1996

Black Scorpion

Black Scorpion

as Dr. Goddard / The Breath Taker

1995

Napoleon

Napoleon

as Conan (voice)

1995

Milk Money

Milk Money

as Cash

1994

My Life's in Turnaround

My Life's in Turnaround

as Himself

1994

Teresa's Tattoo

Teresa's Tattoo

as Michael

1994

The Paint Job

The Paint Job

as Cal

1993

Of Mice and Men

Of Mice and Men

as Curley

1992

Near Mrs.

Near Mrs.

as Colin Phipps

1992

The Big Slice

The Big Slice

as Mike Sawyer

1991

The Chase

The Chase

as Hutchinson

1991

Back to the Future Part II

Back to the Future Part II

as 3-D

1989

Killing Kennedy

Killing Kennedy

as Jack Ruby

2013

Public Enemies

Public Enemies

as Harry Berman

2009

The Boy Who Cried Bitch: The Adolescent Years

The Boy Who Cried Bitch: The Adolescent Years

2007

Grand Theft Auto: San Andreas - The Introduction

Grand Theft Auto: San Andreas - The Introduction

as Johnny Sindacco (voice) (uncredited)

2004

No image

The Street Lawyer

as Rafter Mayes

2003

The Crew

The Crew

as Young Bobby Bartellemeo

2000

Limbo

Limbo

as Bobby Gastineau

1999

Chameleon II: Death Match

Chameleon II: Death Match

as Jake Booker

1999

Together and Alone

Together and Alone

as Billy

1998

Rose Hill

Rose Hill

as Fergus Carroll

1997

Bliss

Bliss

as Tanner

1997

Mistrial

Mistrial

as Detective Bobby Zito

1996

The Phantom

The Phantom

as Morgan

1996

Black Scorpion

Black Scorpion

as Dr. Goddard / The Breath Taker

1995

Napoleon

Napoleon

as Conan (voice)

1995

Milk Money

Milk Money

as Cash

1994

My Life's in Turnaround

My Life's in Turnaround

as Himself

1994

Teresa's Tattoo

Teresa's Tattoo

as Michael

1994

The Paint Job

The Paint Job

as Cal

1993

Of Mice and Men

Of Mice and Men

as Curley

1992

Near Mrs.

Near Mrs.

as Colin Phipps

1992

The Big Slice

The Big Slice

as Mike Sawyer

1991

The Chase

The Chase

as Hutchinson

1991

Back to the Future Part II

Back to the Future Part II

as 3-D

1989

The Blacklist

as Sam Raimo

1 ep.

Person of Interest

Person of Interest

as Lester Strickland

1 ep.

Blue Bloods

Blue Bloods

as Josh Thorp

1 ep.

Law & Order: Criminal Intent

Law & Order: Criminal Intent

as Harvey Gruenwald

1 ep.

Elementary

Elementary

as Michael McGee

1 ep.

CSI: NY

CSI: NY

as Paul Sabotini

1 ep.

Billions

Billions

as Seids

1 ep.

White Collar

White Collar

as Bertie Slavkin

1 ep.

Oz

Oz

as Detective Tarnowski

2 ep.

Unforgettable

Unforgettable

as Lt. Greg Sartain

1 ep.

St. Elsewhere

St. Elsewhere

as Rick Messina

3 ep.

The Facts of Life

The Facts of Life

1 ep.

Damages

Damages

as Detective Dan Williams

11 ep.

Amazing Stories

Amazing Stories

as Jonathan

1 ep.

The Adventures of Brisco County, Jr.

The Adventures of Brisco County, Jr.

as Ned Zed

1 ep.

The Inside

The Inside

as Billy Ray Pope

1 ep.

New Amsterdam

New Amsterdam

as Peter Huygens

1 ep.

Storm of the Century

Storm of the Century

as Alton "Hatch" Hatcher

3 ep.

Hallmark Hall of Fame

Hallmark Hall of Fame

as Fergus

1 ep.

Chicago Sons

Chicago Sons

1 ep.

NYC 22

NYC 22

as Blume

1 ep.

704 Hauser

704 Hauser

1 ep.

Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

as EPA Official

1 episodes

Law & Order

Law & Order

as Bart Rainey

1 episodes

The Blacklist

The Blacklist

as Sam Raimo

1 episodes

Person of Interest

Person of Interest

as Lester Strickland

1 episodes

Blue Bloods

Blue Bloods

as Josh Thorp

1 episodes

Law & Order: Criminal Intent

Law & Order: Criminal Intent

as Harvey Gruenwald

1 episodes

Elementary

Elementary

as Michael McGee

1 episodes

CSI: NY

CSI: NY

as Paul Sabotini

1 episodes

Billions

Billions

as Seids

1 episodes

White Collar

White Collar

as Bertie Slavkin

1 episodes

Oz

Oz

as Detective Tarnowski

2 episodes

Unforgettable

Unforgettable

as Lt. Greg Sartain

1 episodes

St. Elsewhere

St. Elsewhere

as Rick Messina

3 episodes

The Facts of Life

The Facts of Life

1 episodes

Damages

Damages

as Detective Dan Williams

11 episodes

Amazing Stories

Amazing Stories

as Jonathan

1 episodes

The Adventures of Brisco County, Jr.

The Adventures of Brisco County, Jr.

as Ned Zed

1 episodes

The Inside

The Inside

as Billy Ray Pope

1 episodes

New Amsterdam

New Amsterdam

as Peter Huygens

1 episodes

Storm of the Century

Storm of the Century

as Alton "Hatch" Hatcher

3 episodes

Hallmark Hall of Fame

Hallmark Hall of Fame

as Fergus

1 episodes

Chicago Sons

Chicago Sons

1 episodes

NYC 22

NYC 22

as Blume

1 episodes

704 Hauser

704 Hauser

1 episodes