Dennis Robertson

Actor 1965–2017 (52 year career)

6.5 avg rating

Highest Rated

Columbo

1971 · as Detective Marley

8.1

Crossfire

1975 · as Sawhill

8.0

M*A*S*H

1972 · as Michael Harper

7.9

Known For

Film

Dark Night of the Scarecrow

Ray

Film

Marooned

Launch Director

Film

Madhouse

Father James

Film

Little House: The Last Farewell

Drew Coleson

Film

Genesis II

5.8 1973

Film

Columbo

Detective Marley

Film

MAS*H

Michael Harper

Film

Female Market: Imprisonment

J (Foreigner)

Filmography

Acting (28)

Movies (17)

Watch the Sunset

2017

as Gun Range Shooter

5.3

Destination: America

1987

Female Market: Imprisonment

1986

as J (Foreigner)

5.2

Little House: The Last Farewell

1984

as Drew Coleson

7.2

Cocaine: One Man's Seduction

1983

as Stu

6.6

M.A.D.D.: Mothers Against Drunk Drivers

1983

as Father Michael Donnelly

7.0

Harry Tracy, Desperado

as Hellsgate Sheriff

Madhouse

as Father James

Dark Night of the Scarecrow

1981

as Ray

6.5

Valentine Magic on Love Island

1980

as Doctor

1.0

Stone

1979

as P.G. Morris

Crossfire

as Sawhill

A Case of Rape

as 1st Orderly

Genesis II

The Deadly Hunt

as Ranger

Marooned

as Launch Director

War Party

as Trooper

Television (11)

The New Alfred Hitchcock Presents

1985

as E. R. Doctor

7.2

Highway to Heaven

1984

as Dr. Gerald Windsor

Mama's Family

as Andrew Thornberry

Cheers

as Dr. Fisher

Hill Street Blues

as Budget Subcommittee Chair

7.6

Magnum, P.I.

1980

as Dr. Lawrence Hallert

Hawkins

as Reporter #3

M*A*S*H

as Michael Harper

Columbo

as Detective Marley

Nichols

as Kenneth

Hogan's Heroes

as Mills