Cast and credits of Tomorrow, and Tomorrow, and Tomorrow

Seth MacFarlane
Capt. Ed Mercer

Adrianne Palicki
Cmdr. Kelly Grayson

Penny Johnson
Dr. Claire Finn

Scott Grimes
Lt. Gordon Malloy

Peter Macon
Lt. Cmdr. Bortus

Jessica Szohr
Lt. Talla Keyali

J. Lee
Lt. Cmdr. John LaMarr (as J Lee)

Mark Jackson
Isaac

Chad L. Coleman
Klyden

Will Sasso
Mooska

Norm MacDonald
Yaphit (voice)

Chase Kim
Officer

Sharon Desiree
Yellow Dancing Alien (uncredited)