Sophia Bush
Sam Griffith (13 eps)
Jason Isaacs
Rob Griffith (13 eps)
Skye P. Marshall
Lex Trulie (13 eps)
Michael Stahl-David
Caleb Tucker (13 eps)
Omar Maskati
Isan Shah (13 eps)
Wendy Crewson
Vivian Katz (13 eps)
Edwin Hodge
Malcolm Kingsley (13 eps)
Davi Santos
Joey Costa (13 eps)
Stephen Tracey
Tim Davis (9 eps)
Marium Carvell
Donna Williams (2 eps)
Evan Parke
Byron Kingsley (2 eps)
Hilarie Burton
Gretchen Taylor (1 eps)
Bethany Joy Lenz
Amy Taylor (1 eps)
Patrice Goodman
Monique Jenkins (1 eps)
David Huband
David Ferguson (1 eps)
Carlos Albornoz
Julio Vargas (1 eps)
Yari Pernia
Daisy Vargas (1 eps)
Samy Osman
Angry Husband (1 eps)
Indy Saluja
ER Doctor (1 eps)
Darla Biccum
Heart Attack Victim (1 eps)
Keira Loughran
Danielle Hamamura (1 eps)
Sabryn Rock
Roman's Mom (1 eps)
Milton Barnes
Roman's Dad (1 eps)
David D'Lancy Wilson
Crash Nurse (1 eps)
Glen Schultz
Neurosurgeon (1 eps)
Seema Doad
Jodie (1 eps)
Jahzars Rankine
Ellie (1 eps)
Granton Pande
Baby Roman A (1 eps)
Makai Pande
Baby Roman B (1 eps)