Name	Known for
Suzanne Armstrong Cathy Jarvis Cathy Jarvis See fewer	The Equalizer (2021)
Tony Azzaro Michael McFadden Michael McFadden See fewer	Dispatches from Elsewhere (2020)
Adam Bemis Joseph McStay Joseph McStay See fewer	ANNALIESE! ANNALIESE! Webisodes (2018)
Sean Daugherty Self - Prosecuting Attorney Self - Prosecuting Attorney See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Britt Imes Self - Prosecuting Attorney Self - Prosecuting Attorney See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Catherine Jarvis Self - Chase Merritt's former girlfriend Self - Chase Merritt's former girlfriend See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Taylor Jarvis Self - Chase Merritt's Daughter (as Sara Taylor Jarvis) Self - Chase Merritt's Daughter (as Sara Taylor Jarvis) See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Dan Kavanaugh Self - Employee of Joseph McStay Self - Employee of Joseph McStay See fewer	Z*Con: Proof of Concept Film (2013)
Raj Maline Self - Defense Attorney Self - Defense Attorney See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Michael James McFadden Self - Husband of Joseph McStay's ex-wife Heather Self - Husband of Joseph McStay's ex-wife Heather See fewer	Two Shallow Graves: The McStay Family Murders (2022)
James McGee Self - Defense Attorney Self - Defense Attorney See fewer	Two Shallow Graves: The McStay Family Murders (2022)
John McMahon Self - Sheriff at the San Bernardino County Sheriff's Department Self - Sheriff at the San Bernardino County Sheriff's Department See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Joseph McStay Jr. Self - Murder Victim in 2010 (archive footage) Self - Murder Victim in 2010 (archive footage) See fewer
Gianni McStay Self - Murder Victim in 2010 (archive footage) Self - Murder Victim in 2010 (archive footage) See fewer
Joseph McStay Self - Murder Victim in 2010 (archive footage) Self - Murder Victim in 2010 (archive footage) See fewer	E! Investigates (2008)
Michael McStay Self - Brother of Joseph McStay Self - Brother of Joseph McStay See fewer	Vanished with Beth Holloway (2011)
Patrick McStay Self - Father of Joseph McStay Self - Father of Joseph McStay See fewer	People Magazine Investigates (2016)
Summer McStay Self - Murder Victim in 2010 (archive footage) Self - Murder Victim in 2010 (archive footage) See fewer	E! Investigates (2008)
Chase Merritt Self - Convicted of a Quadruple Murder (as Charles 'Chase' Merritt) Self - Convicted of a Quadruple Murder (as Charles 'Chase' Merritt) See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Shawn Patrick Murphy Chase Merritt Chase Merritt See fewer	Dropout (2006)
Michael Pate Jim McGee Jim McGee See fewer	Man in Space (2023)
Melissa Rodriguez Self - Prosecuting Attorney Self - Prosecuting Attorney See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Michael A. Smith Self - Judge for San Bernardino County Courts, California Self - Judge for San Bernardino County Courts, California See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Ryan Smith Self - Lt. at the San Bernardino County Sheriff's Department Self - Lt. at the San Bernardino County Sheriff's Department See fewer	Two Shallow Graves: The McStay Family Murders (2022)
Gina Watson Self - Friend of Joseph McStay Self - Friend of Joseph McStay See fewer	The Executive Empress (2020)
Adam J. Jackson Detective Hanke (uncredited) Detective Hanke (uncredited) See fewer	Billions (2016)