A doctor is accused of murdering a hospital administrator, so he starts his own investigation with the help of his med students. Note: This episode introduces Dr. Mark Sloan (plated by Dick Van Dyke) and sets up the spin-off series "Diagnosis: Murder."
| Name | Type | Role | |
|---|---|---|---|
| Joyce Burditt | Writer | ||
| Margaret Reed | Guest Star | ||
| Ellen Dunning | Guest Star | ||
| Dierk Torsek | Guest Star | ||
| Dick Van Dyke | Guest Star | ||
| Kristoff St. John | Guest Star | ||
| Mary-Margaret Lewis | Guest Star | ||
| James Cromwell | Guest Star | ||
| Carol Bruce | Guest Star | ||
| Elisabeth Brooks | Guest Star | ||
| Jeff Witzema | Guest Star | ||
| Mark L. Taylor | Guest Star | ||
| Sam Hennings | Guest Star | ||
| Una Kim | Guest Star | ||
| Steven Eckholdt | Guest Star | ||
| Virginia Watson | Guest Star | ||
| Ally Walker | Guest Star | ||
| Peter Marx | Guest Star | ||
| Gregory Itzin | Guest Star | ||
| Bernard L. Kowalski | Director |