Robert Knapp

Adam-12

Sgt. Casey · 1968

The Invaders

Congressman Joe Bonning · 1967

The Invaders

Lt. Col. Howell · 1967

The Threat

Steve Keenan · 1960

Gunmen from Laredo

Gil Reardon · 1959

Black Saddle

Emory Parsons · 1959

Behind Closed Doors

Fred Lang · 1958

Hot Car Girl

Det. Lt. Ryan · 1958

The Rawhide Trail

Farley Durand · 1958

Outlaw's Son

Striker · 1957

Revolt at Fort Laramie

Lt. Chick Waller · 1957

Tomahawk Trail

Pvt. Barrow · 1957

Scandal Incorporated

Jess Blanchar, tabloid reporter · 1956

Screaming Eagles

Co-Pilot · 1956

Silent Raiders

Lt. Finch · 1954

Mesa of Lost Women

Grant Phillips · 1953

Strange Fascination

Jack · 1952

Fixed Bayonets!

Chuck (uncredited) · 1951