The complete main cast and crew rundown for the Son of Batman direct-to-video animated feature, as listed in the official credits for the new DC Universe Original Movie animated feature, are as follows below.

Son of Batman
from Warner Bros. Home Entertainment

Jason O'Mara as Batman/Bruce Wayne
Stuart Allan as Damian
Thomas Gibson as Deathstroke
Morena Baccarin as Talia
Dee Bradley Baker as Man-Bats
Xander Berkeley as Langstrom
Giancarlo Esposito as Ra's Al Ghul
Sean Maher as Nightwing/Dick Grayson
David McCallum as Alfred
Diane Michelle as Francine
Andrea Romano as Suit #2
Fred Tatasciore as Killer Croc
Bruce Thomas as Gordon/Ubu
Kari Wahlgren as Rebecca

Voice Direction - Andrea Romano
Editor - Christopher D. Lozinski
Music By - Frederik Weidmann
Based on the DC Comics Characters
Executive Producer - Sam Register
Executive Producers - Benjamin Melniker, Michael Uslan
Supervising Producer - James Tucker
Co-Producer - Alan Burnett
Based upon characters appearing in comic books published by DC Entertainment
Story by James Robinson
Teleplay by Joe R. Lansdale
Directed By - Ethan Spaulding

Animation Services - The Answerstudio
Lead Character Design - Phil Bourassa
Character Design - Dusty Abell, Brendan Clogher
Storyboard - Tim Divar, Charles Drost, Steve Jones, Juno Lee, Doug Murphy, Chris Rutkowski, Keo Thongkham, Kirk Van Wormer, Adam Van Wyk, Young Ki Yoon