Gabby Petito
Self (archive footage)

Brian Laundrie
Self (archive footage)

Nichole Schmidt
Self - Gabby's Mom

Jim Schmidt
Self - Gabby's Stapdad

Joe Petito
Self - Gabby's Dad

Tara Petito
Self - Gabby's Stepmom

Rose Davis
Self - Gabby's Friend

Jackson Hufham
Self - Gabby's Ex-Boyfriend

Chris Laundrie
Self - Brian's Dad (archive footage)

Roberta Laundrie
Self - Brian's Mom (archive footage)

Matt Carr
Self - Teton County Sheriff

Norma Jean Jalovec
Self - 2nd Driver to Pick Up Brian

Miranda Baker
Self - 1st Driver to Pick Up Brian (archive footage)

Loretta Bush
Self - FBI Special Agent

Self - FBI Special Agent

TJ Schmidt
Self - Gabby's Brother

Jenn Bethune
Self - Vanlife Vlogger

Kyle Bethune
Self - Vanlife Vlogger

Duane 'Dog' Chapman
Self (archive footage)

Cassie Laundrie
Self - Brian's Sister (archive footage)

James Luycx
Self - Cassie's Partner (archive footage)