William Smithers

Walker, Texas Ranger

1993 · Milo Crane

Sledge Hammer!

1986 · Colonel Poltz

Hunter

1984 · Major Cody

Scarecrow and Mrs. King

1983

The Return of Frank Cannon

1980 · William Barrett

Where the Ladies Go

1980 · Mullen

The Amazing Spider-Man

1978

Dallas

1978 · Jeremy Wendell

Deathsport

1978 · Doctor Karl

Lucan

1977

Quincy, M.E.

1976

The Manhunter

1974

The Six Million Dollar Man

1974 · General Koslenko

Papillon

1973 · Warden Barrot

Scorpio

1973 · Mitchell

Hawkins

1973 · Sam Drummond

Call to Danger

1973 · (uncredited)

Trouble Man

1972 · Captain Joe Marx

The Streets of San Francisco

1972 · Dr. Norman Jessup

The Rookies

1972

Owen Marshall: Counselor at Law

1971 · Mark Wade

Cannon

1971

The Neon Ceiling

1971 · Doctor Miller

The Brotherhood of the Bell

1970 · Dr. Jerry Fielder

The Monk

1969 · Leo Barnes

Marcus Welby, M.D.

1969 · George Howe

Hawaii Five-O

1969 · Dr. Warren Parker

The Mod Squad

1968 · Lew Dickens

The Name of the Game

1968 · Dave Martin

It Takes a Thief

1968 · Mr. Aiken

Mannix

1967 · Salvatore Pucci

Judd, for the Defense

1967

Ironside

1967 · Frank Rich

The Invaders

1967 · Nat Greely, Adam Lane

Mission: Impossible

1966 · Victor Tomar, Frank Egan

Jericho

1966