John Lasell Filmography
- Actor (34 credits)
- A Death in California (1985)
- Dan August: Once Is Never Enough (1980) Wedlock
- Fear on Trial (1975)
- The New Perry Mason (1973) Giles Beldon, not listed in credits
- Message to My Daughter (1973) Doctor
- Deathmaster (1972) Detective
- A Great American Tragedy (1972)
- The Harness (1971) Minister
- The Organization (1971) Zach Mills
- Honky (1971) Archer Divine
- The Psychiatrist (1970) Maxwell
- Suppose They Gave a War and Nobody Came? (1970) Dr. Hillery
- Dan August (1970) Benjamin Wedlock
- Storefront Lawyers (1970) Carlton Harper
- Topaz (1969) State Department Official, not listed in credits
- The Invaders (1967) Bob Ferrara
- Dark Shadows (1966) Dr. Peter Guthrie
- The F.B.I. (1965) Captain Reedley
- 12 O'Clock High (1964) Col. Peter Thom
- Slattery's People (1964) George Allen
- Flipper (1964) Dr. Rothwell
- The Rogues (1964) George Bradwell
- The Fugitive (1963) Cramer
- My Favorite Martian (1963) Mr. Morgan
- The Nurses (1962) Dr. McDermott
- 87th Precinct (1961) Ted Boone
- Hazel (1961) Officer Dietrich
- Alcoa Premiere (1961) Pennock
- The New Breed (1961) Chris Birch
- The Tall Man (1960) Ben Jardine
- Hong Kong (1960) Roger Dalman
- The DuPont Show with June Allyson (1959) Stewart Church
- Shotgun Slade (1959) Will Doby
- The Fisher Family (1952) Mr. Billings
