A young man with Tourette's Syndrome embarks on a road trip with his recently-deceased mother's ashes.

Robert Sheehan
as Vincent

Dev Patel
as Alex

Zoë Kravitz
as Marie

Robert Patrick
as Robert

Kyra Sedgwick
as Dr. Mia Rose

Ali Hillis
as Monica

Jim Calvert
as Priest

Louisa Kendrick
as Nurse

Ross Gallo
as Therapist

Cooper Roth
as Boy 1