Alan Oppenheimer

We Baby Bears

Booey / Boater #1 (voice)

Masters of the Universe: Revelation

Moss Man (voice)

Adventure Time

Darren the Ancient Sleeper/Sun (voice)

The Grim Adventures of Billy and Mandy

Father Time

Gilmore Girls

Mr. Blodgett

The Practice

Judge Nelson

Caroline in the City

Mr. Booth

Star Trek: Voyager

Nezu Ambassador

Touched by an Angel

Gary Stein

Chicago Hope

Edmund Gray

Diagnosis: Murder

Dr. Leonard Gould

Star Trek: Deep Space Nine

Captain Keogh

Batman: The Animated Series

Auctioneer (voice)

Silk Stalkings

1991

The Legend of Prince Valiant

Merlin (voice)

Quantum Leap

Earl Skinner

Coach

Dr. Alshire

Murphy Brown

Eugene Kinsella

Teenage Mutant Ninja Turtles

Dr. Polidorius (voice)

Star Trek: The Next Generation

Koroth

DuckTales

1987

Married... with Children

Mr. Foodie

L.A. Law

Stephen Weeks

Ghostbusters

Merlin / Prime Evil / Fangster / Captain Long John Scarechrome / Airhead

Matlock

Dr. Linder

She-Ra: Princess of Power

Skeletor / Cringer / Announcer

The Transformers

1984

Murder, She Wrote

Dr. Raymond Auerbach

Who's the Boss?

1984

Night Court

Dr. Fine

He-Man and the Masters of the Universe

Skeletor / Battle Cat / Cringer / Man-at-Arms / Mer-Man / Buzz-Off (voice)

St. Elsewhere

Ira Rosenthal

Knight Rider

Joe Lewis

Hotel

Dr. Seigler

Gimme a Break!

1981

Scooby-Doo and Scrappy-Doo

Mr. Husai

Hart to Hart

Cyrus St. Cyr

To Kill a Cop

Capt. Finnerty

Lou Grant

1977

Alice

1976

S.W.A.T.

1975

Barney Miller

William Deats

The Six Million Dollar Man

Dr. Rudy Wells

Happy Days

1974

Love, American Style

Captain Blodgett

Medical Center

Dr. Harry Danfield

Hawaii Five-O

Bernie Fryer

Mannix

John Cordell

Ironside

1967

That Girl

1966

The F.B.I.

Ludovic Krols

I Dream of Jeannie

Congressman Farragut

Get Smart

Dr. Madre

Hogan's Heroes

Freitag

Bewitched

1964

The Andy Griffith Show

Mr. Ruskin

The Untouchables

Morgue Attendant (uncredited)

Bonanza

Ernesto Salinas