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Patricia Alma Hitchcock O'Connell (7 July 1928 – 9 August 2021) was a British-American actress and producer. She was the only child of English director Alfred Hitchcock and film editor Alma Reville, and had small roles in several of her father's films, with her most substantial appearance being in Strangers on a Train (1951).
| Year | Film | Role | Notes |
| 1936 | Sabotage | Crowd extra | Uncredited |
| 1950 | Stage Fright | Chubby Banister | |
| The Mudlark | Servant (Bit Part) | Uncredited | |
| 1951 | Strangers on a Train | Barbara Morton | |
| 1956 | The Ten Commandments | Court Lady | Uncredited |
| 1960 | Psycho | Caroline | Credited as Pat Hitchcock |
| 1978 | Skateboard | Mrs. Harris | Credited as Pat Hitchcock |
| Year | TV series | Role | Notes |
| 1949 | The Case of Thomas Pyke | TV movie, Patricia Hitchcock's debut | |
| 1952 | Suspense | Esther Stone | Season 5 Episode 7: "A Time of Innocence" (2 December 1952) Credited as Pat Hitchcock |
| 1953 | Life with Father | Nora | Season 1, premiere episode (22 November 1953) Credited as Pat Hitchcock |
| 1954 | My Little Margie | Season 3 Episode 31: "The New Freddie" (31 March 1954) Credited as Pat Hitchcock | |
| 1955 | Alfred Hitchcock Presents | Diana Winthrop | Season 1 Episode 5: "Into Thin Air" aka "The Vanishing Lady" (30 October 1955) Credited as Pat Hitchcock |
| 1956 | Margaret | Season 1 Episode 17: "The Older Sister" (22 January 1956) Credited as Pat Hitchcock | |
| Ellie Marsh | Season 1 Episode 33: "The Belfry" (13 May 1956) Credited as Pat Hitchcock | ||
| 1957 | Polly Stephens | Season 2 Episode 25: "I Killed the Count", Part 1 (17 March 1957) Credited as Pat Hitchcock | |
| Saleslady | Season 3 Episode 1: "The Glass Eye" (6 October 1957) Credited as Pat Hitchcock | ||
| Nancy Mason | Season 3 Episode 5: "Silent Witness" (3 November 1957) Credited as Pat Hitchcock | ||
| 1958 | Aileen | Season 3 Episode 34: "The Crocodile Case" (25 May 1958) Credited as Pat Hitchcock | |
| 1959 | Pat | Season 4 Episode 19: "The Morning of the Bride" (15 February 1959) Credited as Pat Hitchcock | |
| 1960 | Dorothy | Season 5 Episode 27: "The Cuckoo Clock" (17 April 1960) Credited as Pat Hitchcock | |
| Rose | Season 5 Episode 35: "The Schartz-Metterklume Method" (12 June 1960) Credited as Pat Hitchcock | ||
| 1975 | Ladies of the Corridor | Irma | TV movie |
| 1976 | Six Characters in Search of an Author | The Character Lady | TV movie, Credited as Pat Hitchcock |