Peter MacKenzie

85

It's Always Sunny in Philadelphia (2005)

TV show · as Doctor

84

Curb Your Enthusiasm (2000)

TV show · as Man in shorts

84

Mad Men (2007)

TV show · as Cliff Perry

83

Malcolm in the Middle (2000)

TV show · as Terry

83

The West Wing (1999)

TV show · as George Rohr - American Christian Assembly

82

How I Met Your Mother (2005)

TV show · as Mr. Horvath

82

Boston Legal (2004)

TV show · as Reid Harrington

82

Criminal Minds (2005)

TV show · as Jack Fisher

81

Gilmore Girls (2000)

TV show · as Dr. Schultz

80

Castle (2009)

TV show · as Sergeant Roman

80

ER (1994)

TV show · as Mr. Pasbalas

80

Off Centre (2001)

TV show

79

DAHMER - Monster: The Jeffrey Dahmer Story (2022)

TV show · as Mr. Bertoglio

77

My Name Is Earl (2005)

TV show · as Daniel

77

Cold Case (2003)

TV show · as Harvey James

75

Grey's Anatomy (2005)

TV show · as Warren Kramer

75

The Mentalist (2008)

TV show · as Holman Perry

75

Bones (2005)

TV show · as Congressman Efran Hadley

74

Scandal (2012)

TV show · as Brad Loeb

73

Judging Amy (1999)

TV show · as Howlett

72

black-ish (2014)

TV show · as Leslie Stevens

72

American Dad! (2005)

TV show · as Chief Shopaholic / Midnight Runner #1 / Salesman (voice) / Fat Kid's Dad (voice)

71

CSI: Miami (2002)

TV show · as Russell Tanninger

71

Will & Grace (1998)

TV show · as Mean Guy

69

Strong Medicine (2000)

TV show · as Asher

69

Nine Perfect Strangers (2021)

TV show · as Marty (voice)

69

Crossing Jordan (2001)

TV show · as Frank Ripton

69

Herman's Head (1991)

TV show

68

2 Broke Girls (2011)

TV show · as Devon

67

Project X (2012)

as Dad

67

Supergirl (2015)

TV show · as Dirk Armstrong

67

The Drew Carey Show (1995)

TV show · as Mr. Firestein / Arbitrator

67

Ally McBeal (1997)

TV show · as Kendall Stevens

64

NCIS (2003)

TV show · as Jack Murdoch

64

Dharma & Greg (1997)

TV show · as Matthew

63

The Equalizer (1985)

TV show · as Man

58

Speechless (1994)

as Andy

58

Earth to Echo (2014)

as James Hastings

57

Rules Don't Apply (2016)

as Gene Handsaker

53

Tom and Huck (1995)

as Mr. Sneed

51

Chill Factor (1999)

as Technician

49

The Secret Life of the American Teenager (2008)

TV show · as Financial Aid Advisor

48

Major League: Back to the Minors (1998)

as Doc Windgate

46

Fool's Paradise (2023)

as Psych Doc 1

43

Atlas Shrugged: Part III (2014)

as Head of State Thompson

43

Room 6 (2006)

as Dr. Kent

34

Firehouse (1987)

as Dickson Willoughby

30

Theodore Rex (1995)

as Alex Summers

Love Meet Hope (2016)

as Todd

The Bernie Mac Show (2001)

TV show

Caroline in the City (1995)

TV show · as Lionel

One on One (2001)

TV show · as Blaine Lockraven

Inherit the Wind (1999)

as Jesse Dunlap

Merkin Penal (2014)

as Emmett O'Donald

American Tragedy (2000)

as Bill Blasier

So Close (2018)

as Dr. Salinger

A One Time Thing (2004)

as Larry

The Faculty (1996)

TV show · as Clark Edwards

Degree of Certainty (2026)

as Mr. Leemann

Mission Manila (1990)

Writer, Director