สตาร์ เทรค 4: ข้ามเวลามาช่วยโลก

วิลเลียม แชตเนอร์

Admiral James T. Kirk

Leonard Nimoy

Captain Spock

DeForest Kelley

Dr. Leonard 'Bones' McCoy

James Doohan

Captain Montgomery 'Scotty' Scott

จอร์จ ทาเคอิ

Cmdr. Hikaru Sulu

Walter Koenig

Cmdr. Pavel Chekov

Nichelle Nichols

Cmdr. Uhura

Mark Lenard

Sarek

Jane Wyatt

Amanda

Majel Barrett

Commander Chapel

Robert Ellenstein

Federation Council President

John Schuck

Klingon Ambassador

Brock Peters

Admiral Cartwright

Robin Curtis

Lt. Saavik

Catherine Hicks

Gillian

Michael Snyder

Starfleet Communications Officer

Michael Berryman

Starfleet Display Officer

Mike Brislane

Saratoga Science Officer

Grace Lee Whitney

Commander Rand

Jane Wiedlin

Alien Communications Officer