Joan O'Brien Filmography
- Actor (22 credits)
- Get Yourself a College Girl (1964) Marge Endicott
- It Happened at the World's Fair (1963) Diane Warren
- The Lieutenant (1963) Lt. Ruth Riley
- Samar (1962) Cecile Salazar
- Six Black Horses (1962)
- It's Only Money (1962) Wanda Paxton
- We Joined the Navy (1962) Lt. Carol Blair
- The Dick Van Dyke Show (1961) Jane Leighton
- Whispering Smith (1961) Marilyn Manning
- The Comancheros (1961)
- The Alamo (1960) Mrs. Sue Dickinson
- The Tall Man (1960) Marilee
- Surfside 6 (1960) Linda Faris
- The Chevy Mystery Show (1960) Susan Hudson
- The Deputy (1959) Emily Price
- Markham (1959) Julia Conrad
- Riverboat (1959) Sonja Torgin
- Operation Petticoat (1959) Lt. Dolores Crandall RN
- Lock Up (1959) Claudia Scott
- Bat Masterson (1958) Dolores Clark
- Bachelor Father (1957) Janice McCleery
- Man Without a Gun (1957) Ellen Duncan
