Cast & creator

Patrick Cassidy

1962-01-04 (age 64) Los Angeles, California, USAIMDb

Best known for Law & Order: Special Victims Unit, CSI: Crime Scene Investigation, Castle

Patrick Cassidy is an American actor best known for his roles in musical theatre and TV.

Also known as: Patrick William Cassidy

Movies

film credits

Series

television credits

Career

1981–2022 · acting roles

Credit score

6.7

average across scored titles

Signature credits

Known for

Ordered by popularity

★ 8.0

Law & Order: Special Victims Unit

Dr. Stewart Lynch · 1999

★ 7.6

CSI: Crime Scene Investigation

Dennis Reed · 2000

★ 8.0

Castle

Clyde Belasco · 2009

★ 7.7

CSI: Miami

Hank Atherton · 2002

★ 8.2

Smallville

Henry Small · 2001

Across film & television

Filmography (51)

Showing 51 of 51 credits

Series

★ 8.0

Law & Order: Special Victims Unit

Dr. Stewart Lynch

1999

Series

★ 7.6

CSI: Crime Scene Investigation

Dennis Reed

2000

Series

★ 8.0

Castle

Clyde Belasco

2009

Series

★ 7.7

CSI: Miami

Hank Atherton

2002

Series

★ 8.2

Smallville

Henry Small

2001

Series

★ 8.2

Charmed

Allen

1998

Series

★ 7.2

Without a Trace

Paul Gerard

2002

Series

★ 7.8

ER

Dr. Ramsey

1994

Series

★ 7.5

Murder, She Wrote

Rob Platte

1984

Series

★ 8.1

The Nanny

Mr. Anthony

1993

Series

★ 7.2

Crossing Jordan

Scott Berger

2001

Series

★ 6.6

American Playhouse

Howard

1982

Lois & Clark: The New Adventures of Superman

Series

★ 6.9

Lois & Clark: The New Adventures of Superman

Leslie Luckaby

1993

Series

★ 6.5

Murphy Brown

Hank

1988

Series

★ 6.5

According to Jim

Mr. Bingham

2001

Series

★ 7.2

Perception

Kenny Strand

2012

Series

★ 7.8

K.C. Undercover

Chuck Maddox

2015

Series

★ 6.2

Twice in a Lifetime

Dr. Sandy Greiner / Mandy

1999

Series

★ 6.2

Here's Boomer

1981

Series

★ 6.6

Ruby & The Rockits

Patrick Gallagher

2009

Series

★ 8.1

Dirty Dancing

1988

Series

★ 7.5

Bay City Blues

Terry St. Marie

1983

Movie

★ 5.6

I'll Do Anything

Ground Zero Villain

1994

Series

★ 6.7

Napoleon and Josephine: A Love Story

Capt. Hippolyte Charles

1987

Movie

★ 5.8

Night of 100 Stars

Self

1982

Series

★ 5.1

Dress Gray

David Hand

1986

Movie

★ 6.3

Late Bloomer

George McAllister

2016

Movie

★ 4.7

The Lord Protector

Rennick

1996

Movie

★ 5.5

How the West Was Fun

Stephen Martin

1994

Movie

★ 6.0

Just the Way You Are

Steve Haslachez

1984

Movie

A One Time Thing

Geoffrey

2004

Movie

★ 6.7

Longtime Companion

Howard

1989

Movie

Assassins

Balladeer

1990

Movie

★ 6.3

Santa Bootcamp

Ed Mancini

2022

Movie

★ 5.6

Love at Stake

Miles Campbell

1987

Movie

Sam Presents

Barry Armstrong

2012

Movie

★ 9.0

Oklahoma City: A Survivor's Story

Fireman Seth

1998

Movie

★ 5.7

Midnight Offerings

David Sterling

1981

Movie

★ 10.0

The Six of Us

1982

Movie

★ 4.0

3 On a Match

Scott Crossfield

1987

Movie

★ 10.0

Follow Your Heart

David Larson

1990

Movie

★ 3.5

Off the Wall

Randy Whitby

1983

Movie

★ 4.0

Man of Her Dreams

Richard Moore

1997

Movie

★ 6.9

Christmas Eve

Josh Kingsley

1986

Movie

★ 4.2

Nickel Mountain

Willard Freund

1984

Movie

★ 6.0

Something in Common

Nick Hollander

1986

Movie

Self Helpless

John Candy

2011

Movie

★ 6.2

Choices of the Heart

Patrick

1983

Movie

★ 4.3

Fever Pitch

Soldier

1985

Movie

★ 9.0

Angel Dusted

Bob Shecky

1981

Movie

★ 6.0

Hitler's Daughter

Ted Scott

1990