Robert Knapp

The Stoolie

1972

as Big daddy at pool (as Robert 'Big Daddy' Knapp)

Adam-12

1968

as Sgt. Casey

The Invaders

1967

as Congressman Joe Bonning

The Threat

1960

as Steve Keenan

Gunmen from Laredo

1959

as Gil Reardon

Black Saddle

1959

as Emory Parsons

Behind Closed Doors

1958

as Fred Lang

Hot Car Girl

1958

as Det. Lt. Ryan

The Rawhide Trail

1958

as Farley Durand

Outlaw's Son

1957

as Striker

Revolt at Fort Laramie

1957

as Lt. Chick Waller

Tomahawk Trail

1957

as Pvt. Barrow

Scandal Incorporated

1956

as Jess Blanchar, tabloid reporter

Screaming Eagles

1956

as Co-Pilot

Silent Raiders

1954

as Lt. Finch

Mesa of Lost Women

1953

as Grant Phillips

Strange Fascination

1952

as Jack

Fixed Bayonets!

1951

as Chuck (uncredited)