Jedi: Fallen Order is a single-player action-adventure game developed by Respawn Entertainment and published by Electronic Arts. The game is set in the Star Wars universe and follows the story of Cal Kestis, a Jedi Padawan who survived Order 66 and is on a quest to restore the Jedi Order.

Here are the main cast and characters of Jedi: Fallen Order:

1. Cal Kestis – the main protagonist of the game and a former Jedi Padawan who survived Order 66. He is voiced by Cameron Monaghan.
2. BD-1 – a droid companion that accompanies Cal on his journey. He is voiced by Ben Burtt.
3. Cere Junda – a former Jedi Knight who helps Cal on his quest. She is voiced by Debra Wilson.
4. Greez Dritus – a pilot and mechanic who joins Cal and Cere on their journey. He is voiced by Daniel Roebuck.
5. Second Sister – a Jedi Hunter and one of the main antagonists of the game. She is voiced by Elizabeth Grullon.
6. Ninth Sister – a member of the Inquisitorius and another antagonist in the game. She is voiced by Misty Lee.
7. Trilla Suduri – a former Jedi Padawan who fell to the dark side and becomes the main antagonist of the game. She is voiced by Elizabeth Grullon.
8. Saw Gerrera – a guerrilla fighter and leader of the Partisans. He is voiced by Forest Whitaker.
9. Nightsister Merrin – a member of the Nightsisters who joins Cal on his journey. She is voiced by Tina Ivlev.

These are some of the key characters in Jedi: Fallen Order. The game also features a host of other characters, both friend and foe, who help to drive the story forward.