Acting
- 1981Code Red1 ep.
- 1979Hanging by a ThreadTurk2 ep.
- 1975The Swiss Family Robinson1 ep.
- 1972Emergency!Pete4 ep.
- 1971Monty NashClerk2 ep.
- 1968Land of the GiantsTechnician4 ep.
- 1967Hondo1 ep.
- 1967Garrison's Gorillas2 ep.
- 1966Mission: ImpossibleFaud2 ep.
- 1966Felony Squad1 ep.
- 1965Branded3 ep.
- 1963The Great AdventureRed Deer1 ep.
- 1963The Lieutenant1 ep.
- 1962Combat!Blake3 ep.
- 1962The Lucy ShowCyclist2 ep.
- 1961Ben Casey3 ep.
- 1960Surfside 61 ep.
- 1959The RebelCass1 ep.
- 1959Johnny RingoDolan1 ep.
- 1959Law of the PlainsmanManuel Ramores1 ep.
- 1959Johnny Staccato1 ep.
- 1958The Rifleman2 ep.
Guest appearances
- 1983Falcon CrestJeweler1 ep.
- 1983Quincy, M.E.1 ep.
- 1981Code Red1 ep.
- 1973Emergency!Pete4 ep.
- 1975The Swiss Family Robinson1 ep.
- 1975ColumboPoliceman1 ep.
- 1973The Streets of San Francisco1 ep.
- 1971Monty NashClerk, Mr. Smith2 ep.
- 1968The F.B.I.Gilroy, Vance2 ep.
- 1969Land of the GiantsCop, Minor SID Official, SID Officer Burns, Technician4 ep.
- 1968Garrison's Gorillas2 ep.
- 1967Mission: ImpossibleDiego, Faud2 ep.
- 1968Mannix1 ep.
- 1967Hondo1 ep.
- 1967Felony Squad1 ep.
- 1966The Lucy ShowCyclist, Marine Guard2 ep.
- 1966Combat!Austin, Blake, Carson3 ep.
- 1965Ben Casey3 ep.
- 1965Branded3 ep.
- 1964GunsmokeCorporal Miller (uncredited)1 ep.
- 1964The Great AdventureRed Deer1 ep.
- 1963The Lieutenant1 ep.
- 1959The Rifleman2 ep.
- 1962Surfside 61 ep.
- 1961Wanted: Dead or AliveCoyote1 ep.
- 1960Johnny RingoDolan1 ep.
- 1960Law of the PlainsmanManuel Ramores1 ep.
- 1960The RebelCass1 ep.
- 1959Johnny Staccato1 ep.
- 1956Studio OneGiulio1 ep.
Also known as: Steve Marlo · Steve Marlow · Morris Miller · Стивен Марлоу · Стивен Марло · Стив Марлоу