Roy Engel

Bonanza

as Dr. Paul Martin, as Dr.Paul Martin, as Dr. Martin, as Dr. Thomas, as Doctor (uncredited), as Doctor Paul Martin, as Burt / Clyde Quinn, as Doc Tolliver, as Doctor Martin

1959

The Andy Griffith Show

as A Townsman, as Judd, as Conductor, as Jess Morgan, as Mr. Perkins, as Townsman, as Luther

1960

Mannix

as Stanley Blake (uncredited)

1967

Adam-12

as Elmo Constant

1968

The Fugitive

as Lt. Hodges

1963

Maverick

as Marshal Ratcliffe, as Sampson

1957

Mission: Impossible

as Foreman, as Judge (uncredited)

1966

Have Gun, Will Travel

as Piano Thief (uncredited), as Matson, as Sheriff, as Bartender

1957

Get Smart

as The Vendor

1965

Lassie

1954

The Virginian

as Barney Wingate, as 1st Rancher, as Loomis

1962

The Untouchables

as Fire Chief Dawson (uncredited), as Customer, as Whelan

1959

The F.B.I.

as Travis, as David Reisman, as Sam Whitman

1965

The Wild Wild West

as President Ulysses S. Grant, as President Ulysses S. Grant (archive footage)

1965

Cheyenne

as U.S. Marshal Thad Veck

1955

The Lucy Show

as Police Officer

1962

Barnaby Jones

as Salesman

1973

Gunsmoke

as Tibbett, as Jed Garvey, as Hoffer, as Sandor, as Hank (uncredited), as Sheriff, as Grimes

1955